Operational Best Practices for NIST 800 171

Conformance packs provide a general-purpose compliance framework designed to enable you to create security, operational or cost-optimization governance checks using managed or custom AWS Config rules and AWS Config remediation actions. Conformance Packs, as sample templates, are not designed to fully ensure compliance with a specific governance or compliance standard. You are responsible for making your own assessment of whether your use of the Services meets applicable legal and regulatory requirements.

The following provides a sample mapping between the NIST 800-171 and AWS managed Config rules. Each Config rule applies to a specific AWS resource, and relates to one or more NIST 800-171 controls. A NIST 800-171 control can be related to multiple Config rules. Refer to the table below for more detail and guidance related to these mappings.

Control ID	Control Description	AWS Config Rule	Guidance
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	ec2-instance-profile-attached	EC2 instance profiles pass an IAM role to an EC2 instance. Attaching an instance profile to your instances can assist with least privilege and permissions management.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	ecs-task-definition-user-for-host-mode-check	If a task definition has elevated privileges it is because the customer has specifically opted-in to those configurations. This control checks for unexpected privilege escalation when a task definition has host networking enabled but the customer has not opted-in to elevated privileges.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-no-inline-policy-check	Ensure an AWS Identity and Access Management (IAM) user, IAM role or IAM group does not have an inline policy to control access to systems and assets. AWS recommends to use managed policies instead of inline policies. The managed policies allow reusability, versioning and rolling back, and delegating permissions management.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-policy-no-statements-with-full-access	Ensure IAM Actions are restricted to only those actions that are needed. Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	ec2-instances-in-vpc	Deploy Amazon Elastic Compute Cloud (Amazon EC2) instances within an Amazon Virtual Private Cloud (Amazon VPC) to enable secure communication between an instance and other services within the amazon VPC, without requiring an internet gateway, NAT device, or VPN connection. All traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. Assign Amazon EC2 instances to an Amazon VPC to properly manage access.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	redshift-enhanced-vpc-routing-enabled	Enhanced VPC routing forces all COPY and UNLOAD traffic between the cluster and data repositories to go through your Amazon VPC. You can then use VPC features such as security groups and network access control lists to secure network traffic. You can also use VPC flow logs to monitor network traffic.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	dms-replication-not-public	Manage access to the AWS Cloud by ensuring DMS replication instances cannot be publicly accessed. DMS replication instances can contain sensitive information and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	ebs-snapshot-public-restorable-check	Manage access to the AWS Cloud by ensuring EBS snapshots are not publicly restorable. EBS volume snapshots can contain sensitive information and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	ec2-instance-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon Elastic Compute Cloud (Amazon EC2) instances cannot be publicly accessed. Amazon EC2 instances can contain sensitive information and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	elasticsearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service (OpenSearch Service) Domains are within an Amazon Virtual Private Cloud (Amazon VPC). An OpenSearch Service domain within an Amazon VPC enables secure communication between OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	emr-kerberos-enabled	The access permissions and authorizations can be managed and incorporated with the principles of least privilege and separation of duties, by enabling Kerberos for Amazon EMR clusters. In Kerberos, the services and the users that need to authenticate are known as principals. The principals exist within a Kerberos realm. Within the realm, a Kerberos server is known as the key distribution center (KDC). It provides a means for the principals to authenticate. The KDC authenticates by issuing tickets for authentication. The KDC maintains a database of the principals within its realm, their passwords, and other administrative information about each principal.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	emr-master-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon EMR cluster master nodes cannot be publicly accessed. Amazon EMR cluster master nodes can contain sensitive information and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-group-has-users-check	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, by ensuring that IAM groups have at least one user. Placing users in groups based on their associated permissions or job function is one way to incorporate least privilege.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-policy-no-statements-with-admin-access	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, restricting policies from containing "Effect": "Allow" with "Action": "*" over "Resource": "*". Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-user-group-membership-check	AWS Identity and Access Management (IAM) can help you restrict access permissions and authorizations, by ensuring users are members of at least one group. Allowing users more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-user-mfa-enabled	Enable this rule to restrict access to resources in the AWS Cloud. This rule ensures multi-factor authentication (MFA) is enabled for all users. MFA adds an extra layer of protection on top of sign-in credentials. Reduce the incidents of compromised accounts by requiring MFA for users.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-user-no-policies-check	This rule ensures AWS Identity and Access Management (IAM) policies are attached only to groups or roles to control access to systems and assets. Assigning privileges at the group or the role level helps to reduce opportunity for an identity to receive or retain excessive privileges.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	iam-user-unused-credentials-check	AWS Identity and Access Management (IAM) can help you with access permissions and authorizations by checking for IAM passwords and access keys that are not used for a specified time period. If these unused credentials are identified, you should disable and/or remove the credentials, as this may violate the principle of least privilege. This rule requires you to set a value to the maxCredentialUsageAge (Config Default: 90). The actual value should reflect your organization's policies.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	internet-gateway-authorized-vpc-only	Manage access to resources in the AWS Cloud by ensuring that internet gateways are only attached to authorized Amazon Virtual Private Cloud (Amazon VPC). Internet gateways allow bi-directional internet access to and from the Amazon VPC that can potentially lead to unauthorized access to Amazon VPC resources.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	lambda-function-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring AWS Lambda functions cannot be publicly accessed. Public access can potentially lead to degradation of availability of resources.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	lambda-inside-vpc	Deploy AWS Lambda functions within an Amazon Virtual Private Cloud (Amazon VPC) for a secure communication between a function and other services within the Amazon VPC. With this configuration, there is no requirement for an internet gateway, NAT device, or VPN connection. All the traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. To properly manage access, AWS Lambda functions should be assigned to a VPC.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	mfa-enabled-for-iam-console-access	Manage access to resources in the AWS Cloud by ensuring that MFA is enabled for all AWS Identity and Access Management (IAM) users that have a console password. MFA adds an extra layer of protection on top of sign-in credentials. By requiring MFA for users, you can reduce incidents of compromised accounts and keep sensitive data from being accessed by unauthorized users.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	opensearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service domains are within an Amazon Virtual Private Cloud (Amazon VPC). An Amazon OpenSearch Service domain within an Amazon VPC enables secure communication between Amazon OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	rds-instance-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information, and principles and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	rds-snapshots-public-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information and principles and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	root-account-hardware-mfa-enabled	Manage access to resources in the AWS Cloud by ensuring hardware MFA is enabled for the root user. The root user is the most privileged user in an AWS account. The MFA adds an extra layer of protection for sign-in credentials. By requiring MFA for the root user, you can reduce the incidents of compromised AWS accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	root-account-mfa-enabled	Manage access to resources in the AWS Cloud by ensuring MFA is enabled for the root user. The root user is the most privileged user in an AWS account. The MFA adds an extra layer of protection for sign-in credentials. By requiring MFA for the root user, you can reduce the incidents of compromised AWS accounts.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	s3-bucket-public-read-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	s3-bucket-public-write-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	sagemaker-notebook-no-direct-internet-access	Manage access to resources in the AWS Cloud by ensuring that Amazon SageMaker notebooks do not allow direct internet access. By preventing direct internet access, you can keep sensitive data from being accessed by unauthorized users.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	subnet-auto-assign-public-ip-disabled	Manage access to the AWS Cloud by ensuring Amazon Virtual Private Cloud (VPC) subnets are not automatically assigned a public IP address. Amazon Elastic Compute Cloud (EC2) instances that are launched into subnets that have this attribute enabled have a public IP address assigned to their primary network interface.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.1.1	Limit system access to authorized users, processes acting on behalf of authorized users, and devices (including other systems).	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	autoscaling-launch-config-public-ip-disabled	If you configure your Network Interfaces with a public IP address, then the associated resources to those Network Interfaces are reachable from the internet. EC2 resources should not be publicly accessible, as this may allow unintended access to your applications or servers.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	ec2-instance-profile-attached	EC2 instance profiles pass an IAM role to an EC2 instance. Attaching an instance profile to your instances can assist with least privilege and permissions management.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	ecs-task-definition-user-for-host-mode-check	If a task definition has elevated privileges it is because the customer has specifically opted-in to those configurations. This control checks for unexpected privilege escalation when a task definition has host networking enabled but the customer has not opted-in to elevated privileges.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-no-inline-policy-check	Ensure an AWS Identity and Access Management (IAM) user, IAM role or IAM group does not have an inline policy to control access to systems and assets. AWS recommends to use managed policies instead of inline policies. The managed policies allow reusability, versioning and rolling back, and delegating permissions management.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-policy-no-statements-with-full-access	Ensure IAM Actions are restricted to only those actions that are needed. Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	ec2-instances-in-vpc	Deploy Amazon Elastic Compute Cloud (Amazon EC2) instances within an Amazon Virtual Private Cloud (Amazon VPC) to enable secure communication between an instance and other services within the amazon VPC, without requiring an internet gateway, NAT device, or VPN connection. All traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. Assign Amazon EC2 instances to an Amazon VPC to properly manage access.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	no-unrestricted-route-to-igw	Ensure Amazon EC2 route tables do not have unrestricted routes to an internet gateway. Removing or limiting the access to the internet for workloads within Amazon VPCs can reduce unintended access within your environment.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	dms-replication-not-public	Manage access to the AWS Cloud by ensuring DMS replication instances cannot be publicly accessed. DMS replication instances can contain sensitive information and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	ebs-snapshot-public-restorable-check	Manage access to the AWS Cloud by ensuring EBS snapshots are not publicly restorable. EBS volume snapshots can contain sensitive information and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	ec2-instance-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon Elastic Compute Cloud (Amazon EC2) instances cannot be publicly accessed. Amazon EC2 instances can contain sensitive information and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	elasticsearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service (OpenSearch Service) Domains are within an Amazon Virtual Private Cloud (Amazon VPC). An OpenSearch Service domain within an Amazon VPC enables secure communication between OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	emr-kerberos-enabled	The access permissions and authorizations can be managed and incorporated with the principles of least privilege and separation of duties, by enabling Kerberos for Amazon EMR clusters. In Kerberos, the services and the users that need to authenticate are known as principals. The principals exist within a Kerberos realm. Within the realm, a Kerberos server is known as the key distribution center (KDC). It provides a means for the principals to authenticate. The KDC authenticates by issuing tickets for authentication. The KDC maintains a database of the principals within its realm, their passwords, and other administrative information about each principal.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	emr-master-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon EMR cluster master nodes cannot be publicly accessed. Amazon EMR cluster master nodes can contain sensitive information and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-group-has-users-check	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, by ensuring that IAM groups have at least one user. Placing users in groups based on their associated permissions or job function is one way to incorporate least privilege.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-policy-no-statements-with-admin-access	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, restricting policies from containing "Effect": "Allow" with "Action": "*" over "Resource": "*". Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-user-group-membership-check	AWS Identity and Access Management (IAM) can help you restrict access permissions and authorizations, by ensuring users are members of at least one group. Allowing users more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-user-mfa-enabled	Enable this rule to restrict access to resources in the AWS Cloud. This rule ensures multi-factor authentication (MFA) is enabled for all users. MFA adds an extra layer of protection on top of sign-in credentials. Reduce the incidents of compromised accounts by requiring MFA for users.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-user-no-policies-check	This rule ensures AWS Identity and Access Management (IAM) policies are attached only to groups or roles to control access to systems and assets. Assigning privileges at the group or the role level helps to reduce opportunity for an identity to receive or retain excessive privileges.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	iam-user-unused-credentials-check	AWS Identity and Access Management (IAM) can help you with access permissions and authorizations by checking for IAM passwords and access keys that are not used for a specified time period. If these unused credentials are identified, you should disable and/or remove the credentials, as this may violate the principle of least privilege. This rule requires you to set a value to the maxCredentialUsageAge (Config Default: 90). The actual value should reflect your organization's policies.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	internet-gateway-authorized-vpc-only	Manage access to resources in the AWS Cloud by ensuring that internet gateways are only attached to authorized Amazon Virtual Private Cloud (Amazon VPC). Internet gateways allow bi-directional internet access to and from the Amazon VPC that can potentially lead to unauthorized access to Amazon VPC resources.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	lambda-function-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring AWS Lambda functions cannot be publicly accessed. Public access can potentially lead to degradation of availability of resources.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	lambda-inside-vpc	Deploy AWS Lambda functions within an Amazon Virtual Private Cloud (Amazon VPC) for a secure communication between a function and other services within the Amazon VPC. With this configuration, there is no requirement for an internet gateway, NAT device, or VPN connection. All the traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. To properly manage access, AWS Lambda functions should be assigned to a VPC.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	mfa-enabled-for-iam-console-access	Manage access to resources in the AWS Cloud by ensuring that MFA is enabled for all AWS Identity and Access Management (IAM) users that have a console password. MFA adds an extra layer of protection on top of sign-in credentials. By requiring MFA for users, you can reduce incidents of compromised accounts and keep sensitive data from being accessed by unauthorized users.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	opensearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service domains are within an Amazon Virtual Private Cloud (Amazon VPC). An Amazon OpenSearch Service domain within an Amazon VPC enables secure communication between Amazon OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	rds-instance-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information, and principles and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	rds-snapshots-public-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information and principles and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	root-account-hardware-mfa-enabled	Manage access to resources in the AWS Cloud by ensuring hardware MFA is enabled for the root user. The root user is the most privileged user in an AWS account. The MFA adds an extra layer of protection for sign-in credentials. By requiring MFA for the root user, you can reduce the incidents of compromised AWS accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	root-account-mfa-enabled	Manage access to resources in the AWS Cloud by ensuring MFA is enabled for the root user. The root user is the most privileged user in an AWS account. The MFA adds an extra layer of protection for sign-in credentials. By requiring MFA for the root user, you can reduce the incidents of compromised AWS accounts.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	s3-bucket-public-read-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	s3-bucket-public-write-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	sagemaker-notebook-no-direct-internet-access	Manage access to resources in the AWS Cloud by ensuring that Amazon SageMaker notebooks do not allow direct internet access. By preventing direct internet access, you can keep sensitive data from being accessed by unauthorized users.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	subnet-auto-assign-public-ip-disabled	Manage access to the AWS Cloud by ensuring Amazon Virtual Private Cloud (VPC) subnets are not automatically assigned a public IP address. Amazon Elastic Compute Cloud (EC2) instances that are launched into subnets that have this attribute enabled have a public IP address assigned to their primary network interface.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.1.2	Limit system access to the types of transactions and functions that authorized users are permitted to execute.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	ec2-instances-in-vpc	Deploy Amazon Elastic Compute Cloud (Amazon EC2) instances within an Amazon Virtual Private Cloud (Amazon VPC) to enable secure communication between an instance and other services within the amazon VPC, without requiring an internet gateway, NAT device, or VPN connection. All traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. Assign Amazon EC2 instances to an Amazon VPC to properly manage access.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	no-unrestricted-route-to-igw	Ensure Amazon EC2 route tables do not have unrestricted routes to an internet gateway. Removing or limiting the access to the internet for workloads within Amazon VPCs can reduce unintended access within your environment.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	dms-replication-not-public	Manage access to the AWS Cloud by ensuring DMS replication instances cannot be publicly accessed. DMS replication instances can contain sensitive information and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	ebs-snapshot-public-restorable-check	Manage access to the AWS Cloud by ensuring EBS snapshots are not publicly restorable. EBS volume snapshots can contain sensitive information and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	ec2-instance-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon Elastic Compute Cloud (Amazon EC2) instances cannot be publicly accessed. Amazon EC2 instances can contain sensitive information and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	elasticsearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service (OpenSearch Service) Domains are within an Amazon Virtual Private Cloud (Amazon VPC). An OpenSearch Service domain within an Amazon VPC enables secure communication between OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	emr-master-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon EMR cluster master nodes cannot be publicly accessed. Amazon EMR cluster master nodes can contain sensitive information and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	lambda-function-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring AWS Lambda functions cannot be publicly accessed. Public access can potentially lead to degradation of availability of resources.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	lambda-inside-vpc	Deploy AWS Lambda functions within an Amazon Virtual Private Cloud (Amazon VPC) for a secure communication between a function and other services within the Amazon VPC. With this configuration, there is no requirement for an internet gateway, NAT device, or VPN connection. All the traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. To properly manage access, AWS Lambda functions should be assigned to a VPC.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	opensearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service domains are within an Amazon Virtual Private Cloud (Amazon VPC). An Amazon OpenSearch Service domain within an Amazon VPC enables secure communication between Amazon OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	rds-instance-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information, and principles and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	rds-snapshots-public-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information and principles and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	s3-bucket-public-read-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	s3-bucket-public-write-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	sagemaker-notebook-no-direct-internet-access	Manage access to resources in the AWS Cloud by ensuring that Amazon SageMaker notebooks do not allow direct internet access. By preventing direct internet access, you can keep sensitive data from being accessed by unauthorized users.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.1.3	Control the flow of CUI in accordance with approved authorizations.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	ec2-instance-profile-attached	EC2 instance profiles pass an IAM role to an EC2 instance. Attaching an instance profile to your instances can assist with least privilege and permissions management.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	ecs-task-definition-user-for-host-mode-check	If a task definition has elevated privileges it is because the customer has specifically opted-in to those configurations. This control checks for unexpected privilege escalation when a task definition has host networking enabled but the customer has not opted-in to elevated privileges.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-no-inline-policy-check	Ensure an AWS Identity and Access Management (IAM) user, IAM role or IAM group does not have an inline policy to control access to systems and assets. AWS recommends to use managed policies instead of inline policies. The managed policies allow reusability, versioning and rolling back, and delegating permissions management.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-policy-no-statements-with-full-access	Ensure IAM Actions are restricted to only those actions that are needed. Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	emr-kerberos-enabled	The access permissions and authorizations can be managed and incorporated with the principles of least privilege and separation of duties, by enabling Kerberos for Amazon EMR clusters. In Kerberos, the services and the users that need to authenticate are known as principals. The principals exist within a Kerberos realm. Within the realm, a Kerberos server is known as the key distribution center (KDC). It provides a means for the principals to authenticate. The KDC authenticates by issuing tickets for authentication. The KDC maintains a database of the principals within its realm, their passwords, and other administrative information about each principal.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-group-has-users-check	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, by ensuring that IAM groups have at least one user. Placing users in groups based on their associated permissions or job function is one way to incorporate least privilege.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-policy-no-statements-with-admin-access	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, restricting policies from containing "Effect": "Allow" with "Action": "*" over "Resource": "*". Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-user-group-membership-check	AWS Identity and Access Management (IAM) can help you restrict access permissions and authorizations, by ensuring users are members of at least one group. Allowing users more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-user-no-policies-check	This rule ensures AWS Identity and Access Management (IAM) policies are attached only to groups or roles to control access to systems and assets. Assigning privileges at the group or the role level helps to reduce opportunity for an identity to receive or retain excessive privileges.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	iam-user-unused-credentials-check	AWS Identity and Access Management (IAM) can help you with access permissions and authorizations by checking for IAM passwords and access keys that are not used for a specified time period. If these unused credentials are identified, you should disable and/or remove the credentials, as this may violate the principle of least privilege. This rule requires you to set a value to the maxCredentialUsageAge (Config Default: 90). The actual value should reflect your organization's policies.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.4	Separate the duties of individuals to reduce the risk of malevolent activity without collusion.	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	ec2-instance-profile-attached	EC2 instance profiles pass an IAM role to an EC2 instance. Attaching an instance profile to your instances can assist with least privilege and permissions management.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	ecs-task-definition-user-for-host-mode-check	If a task definition has elevated privileges it is because the customer has specifically opted-in to those configurations. This control checks for unexpected privilege escalation when a task definition has host networking enabled but the customer has not opted-in to elevated privileges.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-no-inline-policy-check	Ensure an AWS Identity and Access Management (IAM) user, IAM role or IAM group does not have an inline policy to control access to systems and assets. AWS recommends to use managed policies instead of inline policies. The managed policies allow reusability, versioning and rolling back, and delegating permissions management.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-policy-no-statements-with-full-access	Ensure IAM Actions are restricted to only those actions that are needed. Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	ecs-containers-nonprivileged	To assist with implementing the principle of least privilege, Amazon Elastic Container Service (Amazon ECS) task definitions should not have elevated privilege enabled. When this parameter is true, the container is given elevated privileges on the host container instance (similar to the root user).
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	ecs-containers-readonly-access	Enabling read only access to Amazon Elastic Container Service (ECS) containers can assist in adhering to the principal of least privilege. This option can reduces attack vectors as the container instance’s filesystem cannot be modified unless it has explicit read-write permissions.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	ecs-task-definition-nonroot-user	To assist with implementing the principle of least privilege, ensure that a non-root user is designated for access to your Amazon Elastic Container Service (Amazon ECS) task definitions.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	efs-access-point-enforce-user-identity	To assist with implementing the principle of least privilege, ensure user enforcement is enabled for your Amazon Elastic File System (Amazon EFS) .When enabled, Amazon EFS replaces the NFS client's user and group IDs with the identity configured on the access point for all file system operations and only grants access to this enforced user identity.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	emr-kerberos-enabled	The access permissions and authorizations can be managed and incorporated with the principles of least privilege and separation of duties, by enabling Kerberos for Amazon EMR clusters. In Kerberos, the services and the users that need to authenticate are known as principals. The principals exist within a Kerberos realm. Within the realm, a Kerberos server is known as the key distribution center (KDC). It provides a means for the principals to authenticate. The KDC authenticates by issuing tickets for authentication. The KDC maintains a database of the principals within its realm, their passwords, and other administrative information about each principal.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-group-has-users-check	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, by ensuring that IAM groups have at least one user. Placing users in groups based on their associated permissions or job function is one way to incorporate least privilege.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-policy-no-statements-with-admin-access	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, restricting policies from containing "Effect": "Allow" with "Action": "*" over "Resource": "*". Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-user-group-membership-check	AWS Identity and Access Management (IAM) can help you restrict access permissions and authorizations, by ensuring users are members of at least one group. Allowing users more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-user-no-policies-check	This rule ensures AWS Identity and Access Management (IAM) policies are attached only to groups or roles to control access to systems and assets. Assigning privileges at the group or the role level helps to reduce opportunity for an identity to receive or retain excessive privileges.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	iam-user-unused-credentials-check	AWS Identity and Access Management (IAM) can help you with access permissions and authorizations by checking for IAM passwords and access keys that are not used for a specified time period. If these unused credentials are identified, you should disable and/or remove the credentials, as this may violate the principle of least privilege. This rule requires you to set a value to the maxCredentialUsageAge (Config Default: 90). The actual value should reflect your organization's policies.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.5	Employ the principle of least privilege, including for specific security functions and privileged accounts.	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.1.6	Use non-privileged accounts or roles when accessing nonsecurity functions.	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	iam-policy-no-statements-with-full-access	Ensure IAM Actions are restricted to only those actions that are needed. Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	emr-kerberos-enabled	The access permissions and authorizations can be managed and incorporated with the principles of least privilege and separation of duties, by enabling Kerberos for Amazon EMR clusters. In Kerberos, the services and the users that need to authenticate are known as principals. The principals exist within a Kerberos realm. Within the realm, a Kerberos server is known as the key distribution center (KDC). It provides a means for the principals to authenticate. The KDC authenticates by issuing tickets for authentication. The KDC maintains a database of the principals within its realm, their passwords, and other administrative information about each principal.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	iam-group-has-users-check	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, by ensuring that IAM groups have at least one user. Placing users in groups based on their associated permissions or job function is one way to incorporate least privilege.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	iam-policy-no-statements-with-admin-access	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, restricting policies from containing "Effect": "Allow" with "Action": "*" over "Resource": "*". Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	iam-user-group-membership-check	AWS Identity and Access Management (IAM) can help you restrict access permissions and authorizations, by ensuring users are members of at least one group. Allowing users more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.1.7	Prevent non-privileged users from executing privileged functions and audit the execution of such functions.	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.1.12	Monitor and control remote access sessions.	elasticsearch-logs-to-cloudwatch	Ensure Amazon OpenSearch Service domains have error logs enabled and streamed to Amazon CloudWatch Logs for retention and response. Domain error logs can assist with security and access audits, and can help to diagnose availability issues.
3.1.12	Monitor and control remote access sessions.	multi-region-cloudtrail-enabled	AWS CloudTrail records AWS Management Console actions and API calls. You can identify which users and accounts called AWS, the source IP address from where the calls were made, and when the calls occurred. CloudTrail will deliver log files from all AWS Regions to your S3 bucket if MULTI_REGION_CLOUD_TRAIL_ENABLED is enabled. Additionally, when AWS launches a new Region, CloudTrail will create the same trail in the new Region. As a result, you will receive log files containing API activity for the new Region without taking any action.
3.1.12	Monitor and control remote access sessions.	rds-logging-enabled	To help with logging and monitoring within your environment, ensure Amazon Relational Database Service (Amazon RDS) logging is enabled. With Amazon RDS logging, you can capture events such as connections, disconnections, queries, or tables queried.
3.1.12	Monitor and control remote access sessions.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.1.12	Monitor and control remote access sessions.	wafv2-logging-enabled	To help with logging and monitoring within your environment, enable AWS WAF (V2) logging on regional and global web ACLs. AWS WAF logging provides detailed information about the traffic that is analyzed by your web ACL. The logs record the time that AWS WAF received the request from your AWS resource, information about the request, and an action for the rule that each request matched.
3.1.12	Monitor and control remote access sessions.	api-gw-execution-logging-enabled	API Gateway logging displays detailed views of users who accessed the API and the way they accessed the API. This insight enables visibility of user activities.
3.1.12	Monitor and control remote access sessions.	cloudtrail-enabled	AWS CloudTrail can help in non-repudiation by recording AWS Management Console actions and API calls. You can identify the users and AWS accounts that called an AWS service, the source IP address where the calls generated, and the timings of the calls. Details of captured data are seen within AWS CloudTrail Record Contents.
3.1.12	Monitor and control remote access sessions.	cloudtrail-s3-dataevents-enabled	The collection of Simple Storage Service (Amazon S3) data events helps in detecting any anomalous activity. The details include AWS account information that accessed an Amazon S3 bucket, IP address, and time of event.
3.1.12	Monitor and control remote access sessions.	elb-logging-enabled	Elastic Load Balancing activity is a central point of communication within an environment. Ensure ELB logging is enabled. The collected data provides detailed information about requests sent to the ELB. Each log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses.
3.1.12	Monitor and control remote access sessions.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.1.12	Monitor and control remote access sessions.	opensearch-logs-to-cloudwatch	Ensure Amazon OpenSearch Service domains have error logs enabled and streamed to Amazon CloudWatch Logs for retention and response. OpenSearch Service error logs can assist with security and access audits, and can help to diagnose availability issues.
3.1.12	Monitor and control remote access sessions.	s3-bucket-logging-enabled	Amazon Simple Storage Service (Amazon S3) server access logging provides a method to monitor the network for potential cybersecurity events. The events are monitored by capturing detailed records for the requests that are made to an Amazon S3 bucket. Each access log record provides details about a single access request. The details include the requester, bucket name, request time, request action, response status, and an error code, if relevant.
3.1.12	Monitor and control remote access sessions.	vpc-flow-logs-enabled	The VPC flow logs provide detailed records for information about the IP traffic going to and from network interfaces in your Amazon Virtual Private Cloud (Amazon VPC). By default, the flow log record includes values for the different components of the IP flow, including the source, destination, and protocol.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	elbv2-acm-certificate-required	Because sensitive data can exist and to help protect data at transit, ensure encryption is enabled for your Elastic Load Balancing. Use AWS Certificate Manager to manage, provision and deploy public and private SSL/TLS certificates with AWS services and internal resources.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	elb-tls-https-listeners-only	Ensure that your Elastic Load Balancers (ELBs) are configured with SSL or HTTPS listeners. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	alb-http-to-https-redirection-check	To help protect data in transit, ensure that your Application Load Balancer automatically redirects unencrypted HTTP requests to HTTPS. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	api-gw-ssl-enabled	Ensure Amazon API Gateway REST API stages are configured with SSL certificates to allow backend systems to authenticate that requests originate from API Gateway.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	elb-acm-certificate-required	Because sensitive data can exist and to help protect data at transit, ensure encryption is enabled for your Elastic Load Balancing. Use AWS Certificate Manager to manage, provision and deploy public and private SSL/TLS certificates with AWS services and internal resources.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	opensearch-https-required	Because sensitive data can exist and to help protect data in transit, ensure HTTPS is enabled for connections to your Amazon OpenSearch Service domains.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	redshift-require-tls-ssl	Ensure that your Amazon Redshift clusters require TLS/SSL encryption to connect to SQL clients. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.1.13	Employ cryptographic mechanisms to protect the confidentiality of remote access sessions.	s3-bucket-ssl-requests-only	To help protect data in transit, ensure that your Amazon Simple Storage Service (Amazon S3) buckets require requests to use Secure Socket Layer (SSL). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.1.14	Route remote access from managed access control points.	autoscaling-launch-config-public-ip-disabled	If you configure your Network Interfaces with a public IP address, then the associated resources to those Network Interfaces are reachable from the internet. EC2 resources should not be publicly accessible, as this may allow unintended access to your applications or servers.
3.1.14	Route remote access from managed access control points.	ec2-instances-in-vpc	Deploy Amazon Elastic Compute Cloud (Amazon EC2) instances within an Amazon Virtual Private Cloud (Amazon VPC) to enable secure communication between an instance and other services within the amazon VPC, without requiring an internet gateway, NAT device, or VPN connection. All traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. Assign Amazon EC2 instances to an Amazon VPC to properly manage access.
3.1.14	Route remote access from managed access control points.	no-unrestricted-route-to-igw	Ensure Amazon EC2 route tables do not have unrestricted routes to an internet gateway. Removing or limiting the access to the internet for workloads within Amazon VPCs can reduce unintended access within your environment.
3.1.14	Route remote access from managed access control points.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.1.14	Route remote access from managed access control points.	dms-replication-not-public	Manage access to the AWS Cloud by ensuring DMS replication instances cannot be publicly accessed. DMS replication instances can contain sensitive information and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	ebs-snapshot-public-restorable-check	Manage access to the AWS Cloud by ensuring EBS snapshots are not publicly restorable. EBS volume snapshots can contain sensitive information and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	ec2-instance-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon Elastic Compute Cloud (Amazon EC2) instances cannot be publicly accessed. Amazon EC2 instances can contain sensitive information and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	elasticsearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service (OpenSearch Service) Domains are within an Amazon Virtual Private Cloud (Amazon VPC). An OpenSearch Service domain within an Amazon VPC enables secure communication between OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.14	Route remote access from managed access control points.	emr-master-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon EMR cluster master nodes cannot be publicly accessed. Amazon EMR cluster master nodes can contain sensitive information and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.1.14	Route remote access from managed access control points.	internet-gateway-authorized-vpc-only	Manage access to resources in the AWS Cloud by ensuring that internet gateways are only attached to authorized Amazon Virtual Private Cloud (Amazon VPC). Internet gateways allow bi-directional internet access to and from the Amazon VPC that can potentially lead to unauthorized access to Amazon VPC resources.
3.1.14	Route remote access from managed access control points.	lambda-function-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring AWS Lambda functions cannot be publicly accessed. Public access can potentially lead to degradation of availability of resources.
3.1.14	Route remote access from managed access control points.	lambda-inside-vpc	Deploy AWS Lambda functions within an Amazon Virtual Private Cloud (Amazon VPC) for a secure communication between a function and other services within the Amazon VPC. With this configuration, there is no requirement for an internet gateway, NAT device, or VPN connection. All the traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. To properly manage access, AWS Lambda functions should be assigned to a VPC.
3.1.14	Route remote access from managed access control points.	mfa-enabled-for-iam-console-access	Manage access to resources in the AWS Cloud by ensuring that MFA is enabled for all AWS Identity and Access Management (IAM) users that have a console password. MFA adds an extra layer of protection on top of sign-in credentials. By requiring MFA for users, you can reduce incidents of compromised accounts and keep sensitive data from being accessed by unauthorized users.
3.1.14	Route remote access from managed access control points.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.14	Route remote access from managed access control points.	opensearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service domains are within an Amazon Virtual Private Cloud (Amazon VPC). An Amazon OpenSearch Service domain within an Amazon VPC enables secure communication between Amazon OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.1.14	Route remote access from managed access control points.	rds-instance-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information, and principles and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	rds-snapshots-public-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information and principles and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.1.14	Route remote access from managed access control points.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.1.14	Route remote access from managed access control points.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.1.14	Route remote access from managed access control points.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.1.14	Route remote access from managed access control points.	sagemaker-notebook-no-direct-internet-access	Manage access to resources in the AWS Cloud by ensuring that Amazon SageMaker notebooks do not allow direct internet access. By preventing direct internet access, you can keep sensitive data from being accessed by unauthorized users.
3.1.14	Route remote access from managed access control points.	subnet-auto-assign-public-ip-disabled	Manage access to the AWS Cloud by ensuring Amazon Virtual Private Cloud (VPC) subnets are not automatically assigned a public IP address. Amazon Elastic Compute Cloud (EC2) instances that are launched into subnets that have this attribute enabled have a public IP address assigned to their primary network interface.
3.1.14	Route remote access from managed access control points.	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.1.14	Route remote access from managed access control points.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.1.20	Verify and control/limit connections to and use of external systems.	no-unrestricted-route-to-igw	Ensure Amazon EC2 route tables do not have unrestricted routes to an internet gateway. Removing or limiting the access to the internet for workloads within Amazon VPCs can reduce unintended access within your environment.
3.1.20	Verify and control/limit connections to and use of external systems.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.1.20	Verify and control/limit connections to and use of external systems.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.1.20	Verify and control/limit connections to and use of external systems.	internet-gateway-authorized-vpc-only	Manage access to resources in the AWS Cloud by ensuring that internet gateways are only attached to authorized Amazon Virtual Private Cloud (Amazon VPC). Internet gateways allow bi-directional internet access to and from the Amazon VPC that can potentially lead to unauthorized access to Amazon VPC resources.
3.1.20	Verify and control/limit connections to and use of external systems.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.1.20	Verify and control/limit connections to and use of external systems.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.1.20	Verify and control/limit connections to and use of external systems.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.1.20	Verify and control/limit connections to and use of external systems.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.1.20	Verify and control/limit connections to and use of external systems.	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.1.20	Verify and control/limit connections to and use of external systems.	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.1.20	Verify and control/limit connections to and use of external systems.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	cw-loggroup-retention-period-check	Ensure a minimum duration of event log data is retained for your log groups to help with troubleshooting and forensics investigations. The lack of available past event log data makes it difficult to reconstruct and identify potentially malicious events.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	elasticsearch-logs-to-cloudwatch	Ensure Amazon OpenSearch Service domains have error logs enabled and streamed to Amazon CloudWatch Logs for retention and response. Domain error logs can assist with security and access audits, and can help to diagnose availability issues.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	multi-region-cloudtrail-enabled	AWS CloudTrail records AWS Management Console actions and API calls. You can identify which users and accounts called AWS, the source IP address from where the calls were made, and when the calls occurred. CloudTrail will deliver log files from all AWS Regions to your S3 bucket if MULTI_REGION_CLOUD_TRAIL_ENABLED is enabled. Additionally, when AWS launches a new Region, CloudTrail will create the same trail in the new Region. As a result, you will receive log files containing API activity for the new Region without taking any action.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	rds-logging-enabled	To help with logging and monitoring within your environment, ensure Amazon Relational Database Service (Amazon RDS) logging is enabled. With Amazon RDS logging, you can capture events such as connections, disconnections, queries, or tables queried.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	s3-bucket-replication-enabled	Amazon Simple Storage Service (Amazon S3) Cross-Region Replication (CRR) supports maintaining adequate capacity and availability. CRR enables automatic, asynchronous copying of objects across Amazon S3 buckets to help ensure that data availability is maintained.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	wafv2-logging-enabled	To help with logging and monitoring within your environment, enable AWS WAF (V2) logging on regional and global web ACLs. AWS WAF logging provides detailed information about the traffic that is analyzed by your web ACL. The logs record the time that AWS WAF received the request from your AWS resource, information about the request, and an action for the rule that each request matched.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	api-gw-execution-logging-enabled	API Gateway logging displays detailed views of users who accessed the API and the way they accessed the API. This insight enables visibility of user activities.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	cloud-trail-cloud-watch-logs-enabled	Use Amazon CloudWatch to centrally collect and manage log event activity. Inclusion of AWS CloudTrail data provides details of API call activity within your AWS account.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	cloudtrail-enabled	AWS CloudTrail can help in non-repudiation by recording AWS Management Console actions and API calls. You can identify the users and AWS accounts that called an AWS service, the source IP address where the calls generated, and the timings of the calls. Details of captured data are seen within AWS CloudTrail Record Contents.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	cloudtrail-s3-dataevents-enabled	The collection of Simple Storage Service (Amazon S3) data events helps in detecting any anomalous activity. The details include AWS account information that accessed an Amazon S3 bucket, IP address, and time of event.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	elb-logging-enabled	Elastic Load Balancing activity is a central point of communication within an environment. Ensure ELB logging is enabled. The collected data provides detailed information about requests sent to the ELB. Each log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	opensearch-logs-to-cloudwatch	Ensure Amazon OpenSearch Service domains have error logs enabled and streamed to Amazon CloudWatch Logs for retention and response. OpenSearch Service error logs can assist with security and access audits, and can help to diagnose availability issues.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	redshift-cluster-configuration-check	To protect data at rest, ensure that encryption is enabled for your Amazon Redshift clusters. You must also ensure that required configurations are deployed on Amazon Redshift clusters. The audit logging should be enabled to provide information about connections and user activities in the database. This rule requires that a value is set for clusterDbEncrypted (Config Default : TRUE), and loggingEnabled (Config Default: TRUE). The actual values should reflect your organization's policies.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	s3-bucket-logging-enabled	Amazon Simple Storage Service (Amazon S3) server access logging provides a method to monitor the network for potential cybersecurity events. The events are monitored by capturing detailed records for the requests that are made to an Amazon S3 bucket. Each access log record provides details about a single access request. The details include the requester, bucket name, request time, request action, response status, and an error code, if relevant.
3.3.1	Create and retain system audit records to the extent needed to enable the monitoring, analysis, investigation, and reporting of unlawful, unauthorized, or inappropriate system activity.	vpc-flow-logs-enabled	The VPC flow logs provide detailed records for information about the IP traffic going to and from network interfaces in your Amazon Virtual Private Cloud (Amazon VPC). By default, the flow log record includes values for the different components of the IP flow, including the source, destination, and protocol.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	multi-region-cloudtrail-enabled	AWS CloudTrail records AWS Management Console actions and API calls. You can identify which users and accounts called AWS, the source IP address from where the calls were made, and when the calls occurred. CloudTrail will deliver log files from all AWS Regions to your S3 bucket if MULTI_REGION_CLOUD_TRAIL_ENABLED is enabled. Additionally, when AWS launches a new Region, CloudTrail will create the same trail in the new Region. As a result, you will receive log files containing API activity for the new Region without taking any action.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	rds-logging-enabled	To help with logging and monitoring within your environment, ensure Amazon Relational Database Service (Amazon RDS) logging is enabled. With Amazon RDS logging, you can capture events such as connections, disconnections, queries, or tables queried.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	api-gw-execution-logging-enabled	API Gateway logging displays detailed views of users who accessed the API and the way they accessed the API. This insight enables visibility of user activities.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	cloud-trail-cloud-watch-logs-enabled	Use Amazon CloudWatch to centrally collect and manage log event activity. Inclusion of AWS CloudTrail data provides details of API call activity within your AWS account.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	cloudtrail-enabled	AWS CloudTrail can help in non-repudiation by recording AWS Management Console actions and API calls. You can identify the users and AWS accounts that called an AWS service, the source IP address where the calls generated, and the timings of the calls. Details of captured data are seen within AWS CloudTrail Record Contents.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	cloudtrail-s3-dataevents-enabled	The collection of Simple Storage Service (Amazon S3) data events helps in detecting any anomalous activity. The details include AWS account information that accessed an Amazon S3 bucket, IP address, and time of event.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	redshift-cluster-configuration-check	To protect data at rest, ensure that encryption is enabled for your Amazon Redshift clusters. You must also ensure that required configurations are deployed on Amazon Redshift clusters. The audit logging should be enabled to provide information about connections and user activities in the database. This rule requires that a value is set for clusterDbEncrypted (Config Default : TRUE), and loggingEnabled (Config Default: TRUE). The actual values should reflect your organization's policies.
3.3.2	Ensure that the actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.	s3-bucket-logging-enabled	Amazon Simple Storage Service (Amazon S3) server access logging provides a method to monitor the network for potential cybersecurity events. The events are monitored by capturing detailed records for the requests that are made to an Amazon S3 bucket. Each access log record provides details about a single access request. The details include the requester, bucket name, request time, request action, response status, and an error code, if relevant.
3.3.4	Alert in the event of an audit process failure.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.3.4	Alert in the event of an audit process failure.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.3.5	Correlate audit review, analysis, and reporting processes for investigation and response to indications of inappropriate, suspicious, or unusual activity.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.3.5	Correlate audit review, analysis, and reporting processes for investigation and response to indications of inappropriate, suspicious, or unusual activity.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-default-lock-enabled	Ensure that your Amazon Simple Storage Service (Amazon S3) bucket has lock enabled, by default. Because sensitive data can exist at rest in S3 buckets, enforce object locks at rest to help protect that data.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-versioning-enabled	Amazon Simple Storage Service (Amazon S3) bucket versioning helps keep multiple variants of an object in the same Amazon S3 bucket. Use versioning to preserve, retrieve, and restore every version of every object stored in your Amazon S3 bucket. Versioning helps you to easily recover from unintended user actions and application failures.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	cloud-trail-log-file-validation-enabled	Utilize AWS CloudTrail log file validation to check the integrity of CloudTrail logs. Log file validation helps determine if a log file was modified or deleted or unchanged after CloudTrail delivered it. This feature is built using industry standard algorithms: SHA-256 for hashing and SHA-256 with RSA for digital signing. This makes it computationally infeasible to modify, delete or forge CloudTrail log files without detection.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-policy-grantee-check	Manage access to the AWS Cloud by enabling s3_ bucket_policy_grantee_check. This rule checks that the access granted by the Amazon S3 bucket is restricted by any of the AWS principals, federated users, service principals, IP addresses, or Amazon Virtual Private Cloud (Amazon VPC) IDs that you provide.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-public-read-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-public-write-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-server-side-encryption-enabled	To help protect data at rest, ensure encryption is enabled for your Amazon Simple Storage Service (Amazon S3) buckets. Because sensitive data can exist at rest in Amazon S3 buckets, enable encryption to help protect that data.
3.3.8	Protect audit information and audit tools from unauthorized access, modification, and deletion.	s3-bucket-versioning-enabled	Amazon Simple Storage Service (Amazon S3) bucket versioning helps keep multiple variants of an object in the same Amazon S3 bucket. Use versioning to preserve, retrieve, and restore every version of every object stored in your Amazon S3 bucket. Versioning helps you to easily recover from unintended user actions and application failures.
3.4.1	Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.	ec2-security-group-attached-to-eni-periodic	This rule ensures the security groups are attached to an Amazon Elastic Compute Cloud (Amazon EC2) instance or to an ENI. This rule helps monitoring unused security groups in the inventory and the management of your environment.
3.4.1	Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.	ec2-instance-managed-by-systems-manager	An inventory of the software platforms and applications within the organization is possible by managing Amazon Elastic Compute Cloud (Amazon EC2) instances with AWS Systems Manager. Use AWS Systems Manager to provide detailed system configurations, operating system patch levels, services name and type, software installations, application name, publisher and version, and other details about your environment.
3.4.1	Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.	ec2-managedinstance-association-compliance-status-check	Use AWS Systems Manager Associations to help with inventory of software platforms and applications within an organization. AWS Systems Manager assigns a configuration state to your managed instances and allows you to set baselines of operating system patch levels, software installations, application configurations, and other details about your environment.
3.4.1	Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.	ec2-stopped-instance	Enable this rule to help with the baseline configuration of Amazon Elastic Compute Cloud (Amazon EC2) instances by checking whether Amazon EC2 instances have been stopped for more than the allowed number of days, according to your organization's standards.
3.4.1	Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.	ec2-volume-inuse-check	This rule ensures that Amazon Elastic Block Store volumes that are attached to Amazon Elastic Compute Cloud (Amazon EC2) instances are marked for deletion when an instance is terminated. If an Amazon EBS volume isn't deleted when the instance that it's attached to is terminated, it may violate the concept of least functionality.
3.4.1	Establish and maintain baseline configurations and inventories of organizational systems (including hardware, software, firmware, and documentation) throughout the respective system development life cycles.	eip-attached	This rule ensures Elastic IPs allocated to a Amazon Virtual Private Cloud (Amazon VPC) are attached to Amazon Elastic Compute Cloud (Amazon EC2) instances or in-use Elastic Network Interfaces. This rule helps monitor unused EIPs in your environment.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ec2-instance-profile-attached	EC2 instance profiles pass an IAM role to an EC2 instance. Attaching an instance profile to your instances can assist with least privilege and permissions management.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ecs-task-definition-user-for-host-mode-check	If a task definition has elevated privileges it is because the customer has specifically opted-in to those configurations. This control checks for unexpected privilege escalation when a task definition has host networking enabled but the customer has not opted-in to elevated privileges.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	iam-no-inline-policy-check	Ensure an AWS Identity and Access Management (IAM) user, IAM role or IAM group does not have an inline policy to control access to systems and assets. AWS recommends to use managed policies instead of inline policies. The managed policies allow reusability, versioning and rolling back, and delegating permissions management.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	iam-policy-no-statements-with-full-access	Ensure IAM Actions are restricted to only those actions that are needed. Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	dms-replication-not-public	Manage access to the AWS Cloud by ensuring DMS replication instances cannot be publicly accessed. DMS replication instances can contain sensitive information and access control is required for such accounts.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ebs-snapshot-public-restorable-check	Manage access to the AWS Cloud by ensuring EBS snapshots are not publicly restorable. EBS volume snapshots can contain sensitive information and access control is required for such accounts.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ec2-instance-managed-by-systems-manager	An inventory of the software platforms and applications within the organization is possible by managing Amazon Elastic Compute Cloud (Amazon EC2) instances with AWS Systems Manager. Use AWS Systems Manager to provide detailed system configurations, operating system patch levels, services name and type, software installations, application name, publisher and version, and other details about your environment.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ec2-managedinstance-association-compliance-status-check	Use AWS Systems Manager Associations to help with inventory of software platforms and applications within an organization. AWS Systems Manager assigns a configuration state to your managed instances and allows you to set baselines of operating system patch levels, software installations, application configurations, and other details about your environment.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	ec2-volume-inuse-check	This rule ensures that Amazon Elastic Block Store volumes that are attached to Amazon Elastic Compute Cloud (Amazon EC2) instances are marked for deletion when an instance is terminated. If an Amazon EBS volume isn't deleted when the instance that it's attached to is terminated, it may violate the concept of least functionality.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	iam-policy-no-statements-with-admin-access	AWS Identity and Access Management (IAM) can help you incorporate the principles of least privilege and separation of duties with access permissions and authorizations, restricting policies from containing "Effect": "Allow" with "Action": "*" over "Resource": "*". Allowing users to have more privileges than needed to complete a task may violate the principle of least privilege and separation of duties.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	iam-root-access-key-check	Access to systems and assets can be controlled by checking that the root user does not have access keys attached to their AWS Identity and Access Management (IAM) role. Ensure that the root access keys are deleted. Instead, create and use role-based AWS accounts to help to incorporate the principle of least functionality.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	iam-user-no-policies-check	This rule ensures AWS Identity and Access Management (IAM) policies are attached only to groups or roles to control access to systems and assets. Assigning privileges at the group or the role level helps to reduce opportunity for an identity to receive or retain excessive privileges.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	lambda-function-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring AWS Lambda functions cannot be publicly accessed. Public access can potentially lead to degradation of availability of resources.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	rds-snapshots-public-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information and principles and access control is required for such accounts.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	s3-bucket-public-read-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.4.6	Employ the principle of least functionality by configuring organizational systems to provide only essential capabilities.	s3-bucket-public-write-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.4.7	Restrict, disable, and prevent the use of nonessential, functions, ports, protocols, or services.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.4.7	Restrict, disable, and prevent the use of nonessential, functions, ports, protocols, or services.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.4.7	Restrict, disable, and prevent the use of nonessential, functions, ports, protocols, or services.	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.4.7	Restrict, disable, and prevent the use of nonessential, functions, ports, protocols, or services.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.4.9	Control and monitor user-installed software.	ec2-instance-managed-by-systems-manager	An inventory of the software platforms and applications within the organization is possible by managing Amazon Elastic Compute Cloud (Amazon EC2) instances with AWS Systems Manager. Use AWS Systems Manager to provide detailed system configurations, operating system patch levels, services name and type, software installations, application name, publisher and version, and other details about your environment.
3.4.9	Control and monitor user-installed software.	ec2-managedinstance-association-compliance-status-check	Use AWS Systems Manager Associations to help with inventory of software platforms and applications within an organization. AWS Systems Manager assigns a configuration state to your managed instances and allows you to set baselines of operating system patch levels, software installations, application configurations, and other details about your environment.
3.5.2	Authenticate (or verify) the identities of those users, processes, or devices, as a prerequisite to allowing access to organizational systems.	efs-access-point-enforce-user-identity	To assist with implementing the principle of least privilege, ensure user enforcement is enabled for your Amazon Elastic File System (Amazon EFS) .When enabled, Amazon EFS replaces the NFS client's user and group IDs with the identity configured on the access point for all file system operations and only grants access to this enforced user identity.
3.5.2	Authenticate (or verify) the identities of those users, processes, or devices, as a prerequisite to allowing access to organizational systems.	iam-user-mfa-enabled	Enable this rule to restrict access to resources in the AWS Cloud. This rule ensures multi-factor authentication (MFA) is enabled for all users. MFA adds an extra layer of protection on top of sign-in credentials. Reduce the incidents of compromised accounts by requiring MFA for users.
3.5.2	Authenticate (or verify) the identities of those users, processes, or devices, as a prerequisite to allowing access to organizational systems.	mfa-enabled-for-iam-console-access	Manage access to resources in the AWS Cloud by ensuring that MFA is enabled for all AWS Identity and Access Management (IAM) users that have a console password. MFA adds an extra layer of protection on top of sign-in credentials. By requiring MFA for users, you can reduce incidents of compromised accounts and keep sensitive data from being accessed by unauthorized users.
3.5.3	Use multifactor authentication for local and network access to privileged accounts and for network access to non-privileged accounts.	iam-user-mfa-enabled	Enable this rule to restrict access to resources in the AWS Cloud. This rule ensures multi-factor authentication (MFA) is enabled for all users. MFA adds an extra layer of protection on top of sign-in credentials. Reduce the incidents of compromised accounts by requiring MFA for users.
3.5.3	Use multifactor authentication for local and network access to privileged accounts and for network access to non-privileged accounts.	mfa-enabled-for-iam-console-access	Manage access to resources in the AWS Cloud by ensuring that MFA is enabled for all AWS Identity and Access Management (IAM) users that have a console password. MFA adds an extra layer of protection on top of sign-in credentials. By requiring MFA for users, you can reduce incidents of compromised accounts and keep sensitive data from being accessed by unauthorized users.
3.5.3	Use multifactor authentication for local and network access to privileged accounts and for network access to non-privileged accounts.	root-account-hardware-mfa-enabled	Manage access to resources in the AWS Cloud by ensuring hardware MFA is enabled for the root user. The root user is the most privileged user in an AWS account. The MFA adds an extra layer of protection for sign-in credentials. By requiring MFA for the root user, you can reduce the incidents of compromised AWS accounts.
3.5.3	Use multifactor authentication for local and network access to privileged accounts and for network access to non-privileged accounts.	root-account-mfa-enabled	Manage access to resources in the AWS Cloud by ensuring MFA is enabled for the root user. The root user is the most privileged user in an AWS account. The MFA adds an extra layer of protection for sign-in credentials. By requiring MFA for the root user, you can reduce the incidents of compromised AWS accounts.
3.5.5	Prevent reuse of identifiers for a defined period.	iam-password-policy	The identities and the credentials are issued, managed, and verified based on an organizational IAM password policy. They meet or exceed requirements as stated by NIST SP 800-63 and the AWS Foundational Security Best Practices standard for password strength. This rule allows you to optionally set RequireUppercaseCharacters (AWS Foundational Security Best Practices value: true), RequireLowercaseCharacters (AWS Foundational Security Best Practices value: true), RequireSymbols (AWS Foundational Security Best Practices value: true), RequireNumbers (AWS Foundational Security Best Practices value: true), MinimumPasswordLength (AWS Foundational Security Best Practices value: 14), PasswordReusePrevention (AWS Foundational Security Best Practices value: 24), and MaxPasswordAge (AWS Foundational Security Best Practices value: 90) for your IAM Password Policy. The actual values should reflect your organization's policies.
3.5.6	Disable identifiers after a defined period of inactivity.	iam-user-unused-credentials-check	AWS Identity and Access Management (IAM) can help you with access permissions and authorizations by checking for IAM passwords and access keys that are not used for a specified time period. If these unused credentials are identified, you should disable and/or remove the credentials, as this may violate the principle of least privilege. This rule requires you to set a value to the maxCredentialUsageAge (Config Default: 90). The actual value should reflect your organization's policies.
3.5.7	Enforce a minimum password complexity and change of characters when new passwords are created.	iam-password-policy	The identities and the credentials are issued, managed, and verified based on an organizational IAM password policy. They meet or exceed requirements as stated by NIST SP 800-63 and the AWS Foundational Security Best Practices standard for password strength. This rule allows you to optionally set RequireUppercaseCharacters (AWS Foundational Security Best Practices value: true), RequireLowercaseCharacters (AWS Foundational Security Best Practices value: true), RequireSymbols (AWS Foundational Security Best Practices value: true), RequireNumbers (AWS Foundational Security Best Practices value: true), MinimumPasswordLength (AWS Foundational Security Best Practices value: 14), PasswordReusePrevention (AWS Foundational Security Best Practices value: 24), and MaxPasswordAge (AWS Foundational Security Best Practices value: 90) for your IAM Password Policy. The actual values should reflect your organization's policies.
3.5.8	Prohibit password reuse for a specified number of generations.	iam-password-policy	The identities and the credentials are issued, managed, and verified based on an organizational IAM password policy. They meet or exceed requirements as stated by NIST SP 800-63 and the AWS Foundational Security Best Practices standard for password strength. This rule allows you to optionally set RequireUppercaseCharacters (AWS Foundational Security Best Practices value: true), RequireLowercaseCharacters (AWS Foundational Security Best Practices value: true), RequireSymbols (AWS Foundational Security Best Practices value: true), RequireNumbers (AWS Foundational Security Best Practices value: true), MinimumPasswordLength (AWS Foundational Security Best Practices value: 14), PasswordReusePrevention (AWS Foundational Security Best Practices value: 24), and MaxPasswordAge (AWS Foundational Security Best Practices value: 90) for your IAM Password Policy. The actual values should reflect your organization's policies.
3.5.10	Store and transmit only cryptographically-protected passwords.	elasticsearch-node-to-node-encryption-check	Ensure node-to-node encryption for Amazon OpenSearch Service is enabled. Node-to-node encryption enables TLS 1.2 encryption for all communications within the Amazon Virtual Private Cloud (Amazon VPC). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.5.10	Store and transmit only cryptographically-protected passwords.	elb-tls-https-listeners-only	Ensure that your Elastic Load Balancers (ELBs) are configured with SSL or HTTPS listeners. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.5.10	Store and transmit only cryptographically-protected passwords.	alb-http-to-https-redirection-check	To help protect data in transit, ensure that your Application Load Balancer automatically redirects unencrypted HTTP requests to HTTPS. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.5.10	Store and transmit only cryptographically-protected passwords.	api-gw-ssl-enabled	Ensure Amazon API Gateway REST API stages are configured with SSL certificates to allow backend systems to authenticate that requests originate from API Gateway.
3.5.10	Store and transmit only cryptographically-protected passwords.	elb-acm-certificate-required	Because sensitive data can exist and to help protect data at transit, ensure encryption is enabled for your Elastic Load Balancing. Use AWS Certificate Manager to manage, provision and deploy public and private SSL/TLS certificates with AWS services and internal resources.
3.5.10	Store and transmit only cryptographically-protected passwords.	encrypted-volumes	Because sensitive data can exist and to help protect data at rest, ensure encryption is enabled for your Amazon Elastic Block Store (Amazon EBS) volumes.
3.5.10	Store and transmit only cryptographically-protected passwords.	opensearch-node-to-node-encryption-check	Ensure node-to-node encryption for Amazon OpenSearch Service is enabled. Node-to-node encryption enables TLS 1.2 encryption for all communications within the Amazon Virtual Private Cloud (Amazon VPC). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.5.10	Store and transmit only cryptographically-protected passwords.	redshift-cluster-configuration-check	To protect data at rest, ensure that encryption is enabled for your Amazon Redshift clusters. You must also ensure that required configurations are deployed on Amazon Redshift clusters. The audit logging should be enabled to provide information about connections and user activities in the database. This rule requires that a value is set for clusterDbEncrypted (Config Default : TRUE), and loggingEnabled (Config Default: TRUE). The actual values should reflect your organization's policies.
3.5.10	Store and transmit only cryptographically-protected passwords.	redshift-require-tls-ssl	Ensure that your Amazon Redshift clusters require TLS/SSL encryption to connect to SQL clients. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.5.10	Store and transmit only cryptographically-protected passwords.	s3-bucket-server-side-encryption-enabled	To help protect data at rest, ensure encryption is enabled for your Amazon Simple Storage Service (Amazon S3) buckets. Because sensitive data can exist at rest in Amazon S3 buckets, enable encryption to help protect that data.
3.5.10	Store and transmit only cryptographically-protected passwords.	s3-bucket-ssl-requests-only	To help protect data in transit, ensure that your Amazon Simple Storage Service (Amazon S3) buckets require requests to use Secure Socket Layer (SSL). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.6.1	Establish an operational incident-handling capability for organizational systems that includes preparation, detection, analysis, containment, recovery, and user response activities.	guardduty-non-archived-findings	Amazon GuardDuty helps you understand the impact of an incident by classifying findings by severity: low, medium, and high. You can use these classifications for determining remediation strategies and priorities. This rule allows you to optionally set the daysLowSev (Config Default: 30), daysMediumSev (Config Default: 7), and daysHighSev (Config Default: 1) for non-archived findings, as required by your organization's policies.
3.6.1	Establish an operational incident-handling capability for organizational systems that includes preparation, detection, analysis, containment, recovery, and user response activities.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.6.1	Establish an operational incident-handling capability for organizational systems that includes preparation, detection, analysis, containment, recovery, and user response activities.	cloudwatch-alarm-action-check	Amazon CloudWatch alarms alert when a metric breaches the threshold for a specified number of evaluation periods. The alarm performs one or more actions based on the value of the metric or expression relative to a threshold over a number of time periods. This rule requires a value for alarmActionRequired (Config Default: True), insufficientDataActionRequired (Config Default: True), okActionRequired (Config Default: False). The actual value should reflect the alarm actions for your environment.
3.6.1	Establish an operational incident-handling capability for organizational systems that includes preparation, detection, analysis, containment, recovery, and user response activities.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.11.2	Scan for vulnerabilities in organizational systems and applications periodically and when new vulnerabilities affecting the system are identified.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.11.2	Scan for vulnerabilities in organizational systems and applications periodically and when new vulnerabilities affecting the system are identified.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.11.3	Remediate vulnerabilities in accordance with assessments of risk.	guardduty-non-archived-findings	Amazon GuardDuty helps you understand the impact of an incident by classifying findings by severity: low, medium, and high. You can use these classifications for determining remediation strategies and priorities. This rule allows you to optionally set the daysLowSev (Config Default: 30), daysMediumSev (Config Default: 7), and daysHighSev (Config Default: 1) for non-archived findings, as required by your organization's policies.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	alb-waf-enabled	Ensure AWS WAF is enabled on Elastic Load Balancers (ELB) to help protect web applications. A WAF helps to protect your web applications or APIs against common web exploits. These web exploits may affect availability, compromise security, or consume excessive resources within your environment.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	elb-tls-https-listeners-only	Ensure that your Elastic Load Balancers (ELBs) are configured with SSL or HTTPS listeners. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	ec2-instances-in-vpc	Deploy Amazon Elastic Compute Cloud (Amazon EC2) instances within an Amazon Virtual Private Cloud (Amazon VPC) to enable secure communication between an instance and other services within the amazon VPC, without requiring an internet gateway, NAT device, or VPN connection. All traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. Assign Amazon EC2 instances to an Amazon VPC to properly manage access.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	multi-region-cloudtrail-enabled	AWS CloudTrail records AWS Management Console actions and API calls. You can identify which users and accounts called AWS, the source IP address from where the calls were made, and when the calls occurred. CloudTrail will deliver log files from all AWS Regions to your S3 bucket if MULTI_REGION_CLOUD_TRAIL_ENABLED is enabled. Additionally, when AWS launches a new Region, CloudTrail will create the same trail in the new Region. As a result, you will receive log files containing API activity for the new Region without taking any action.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	no-unrestricted-route-to-igw	Ensure Amazon EC2 route tables do not have unrestricted routes to an internet gateway. Removing or limiting the access to the internet for workloads within Amazon VPCs can reduce unintended access within your environment.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	rds-logging-enabled	To help with logging and monitoring within your environment, ensure Amazon Relational Database Service (Amazon RDS) logging is enabled. With Amazon RDS logging, you can capture events such as connections, disconnections, queries, or tables queried.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	redshift-enhanced-vpc-routing-enabled	Enhanced VPC routing forces all COPY and UNLOAD traffic between the cluster and data repositories to go through your Amazon VPC. You can then use VPC features such as security groups and network access control lists to secure network traffic. You can also use VPC flow logs to monitor network traffic.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	wafv2-logging-enabled	To help with logging and monitoring within your environment, enable AWS WAF (V2) logging on regional and global web ACLs. AWS WAF logging provides detailed information about the traffic that is analyzed by your web ACL. The logs record the time that AWS WAF received the request from your AWS resource, information about the request, and an action for the rule that each request matched.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	acm-certificate-expiration-check	Ensure network integrity is protected by ensuring X509 certificates are issued by AWS ACM. These certificates must be valid and unexpired. This rule requires a value for daysToExpiration (AWS Foundational Security Best Practices value: 90). The actual value should reflect your organization's policies.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	alb-http-to-https-redirection-check	To help protect data in transit, ensure that your Application Load Balancer automatically redirects unencrypted HTTP requests to HTTPS. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	api-gw-execution-logging-enabled	API Gateway logging displays detailed views of users who accessed the API and the way they accessed the API. This insight enables visibility of user activities.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	cloudtrail-enabled	AWS CloudTrail can help in non-repudiation by recording AWS Management Console actions and API calls. You can identify the users and AWS accounts that called an AWS service, the source IP address where the calls generated, and the timings of the calls. Details of captured data are seen within AWS CloudTrail Record Contents.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	cloud-trail-log-file-validation-enabled	Utilize AWS CloudTrail log file validation to check the integrity of CloudTrail logs. Log file validation helps determine if a log file was modified or deleted or unchanged after CloudTrail delivered it. This feature is built using industry standard algorithms: SHA-256 for hashing and SHA-256 with RSA for digital signing. This makes it computationally infeasible to modify, delete or forge CloudTrail log files without detection.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	cloudtrail-s3-dataevents-enabled	The collection of Simple Storage Service (Amazon S3) data events helps in detecting any anomalous activity. The details include AWS account information that accessed an Amazon S3 bucket, IP address, and time of event.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	elasticsearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service (OpenSearch Service) Domains are within an Amazon Virtual Private Cloud (Amazon VPC). An OpenSearch Service domain within an Amazon VPC enables secure communication between OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	elb-acm-certificate-required	Because sensitive data can exist and to help protect data at transit, ensure encryption is enabled for your Elastic Load Balancing. Use AWS Certificate Manager to manage, provision and deploy public and private SSL/TLS certificates with AWS services and internal resources.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	elb-logging-enabled	Elastic Load Balancing activity is a central point of communication within an environment. Ensure ELB logging is enabled. The collected data provides detailed information about requests sent to the ELB. Each log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	lambda-inside-vpc	Deploy AWS Lambda functions within an Amazon Virtual Private Cloud (Amazon VPC) for a secure communication between a function and other services within the Amazon VPC. With this configuration, there is no requirement for an internet gateway, NAT device, or VPN connection. All the traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. To properly manage access, AWS Lambda functions should be assigned to a VPC.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	opensearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service domains are within an Amazon Virtual Private Cloud (Amazon VPC). An Amazon OpenSearch Service domain within an Amazon VPC enables secure communication between Amazon OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	rds-instance-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information, and principles and access control is required for such accounts.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	redshift-require-tls-ssl	Ensure that your Amazon Redshift clusters require TLS/SSL encryption to connect to SQL clients. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	s3-bucket-logging-enabled	Amazon Simple Storage Service (Amazon S3) server access logging provides a method to monitor the network for potential cybersecurity events. The events are monitored by capturing detailed records for the requests that are made to an Amazon S3 bucket. Each access log record provides details about a single access request. The details include the requester, bucket name, request time, request action, response status, and an error code, if relevant.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	s3-bucket-ssl-requests-only	To help protect data in transit, ensure that your Amazon Simple Storage Service (Amazon S3) buckets require requests to use Secure Socket Layer (SSL). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	vpc-flow-logs-enabled	The VPC flow logs provide detailed records for information about the IP traffic going to and from network interfaces in your Amazon Virtual Private Cloud (Amazon VPC). By default, the flow log record includes values for the different components of the IP flow, including the source, destination, and protocol.
3.13.1	Monitor, control, and protect communications (i.e., information transmitted or received by organizational systems) at the external boundaries and key internal boundaries of organizational systems.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	autoscaling-launch-config-public-ip-disabled	If you configure your Network Interfaces with a public IP address, then the associated resources to those Network Interfaces are reachable from the internet. EC2 resources should not be publicly accessible, as this may allow unintended access to your applications or servers.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	cloudtrail-security-trail-enabled	This rule helps ensure the use of AWS recommended security best practices for AWS CloudTrail, by checking for the enablement of multiple settings. These include the use of log encryption, log validation, and enabling AWS CloudTrail in multiple regions.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	dynamodb-in-backup-plan	To help with data back-up processes, ensure your Amazon DynamoDB tables are a part of an AWS Backup plan. AWS Backup is a fully managed backup service with a policy-based backup solution. This solution simplifies your backup management and enables you to meet your business and regulatory backup compliance requirements.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	ebs-in-backup-plan	To help with data back-up processes, ensure your Amazon Elastic Block Store (Amazon EBS) volumes are a part of an AWS Backup plan. AWS Backup is a fully managed backup service with a policy-based backup solution. This solution simplifies your backup management and enables you to meet your business and regulatory backup compliance requirements.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	efs-in-backup-plan	To help with data back-up processes, ensure your Amazon Elastic File System (Amazon EFS) file systems are a part of an AWS Backup plan. AWS Backup is a fully managed backup service with a policy-based backup solution. This solution simplifies your backup management and enables you to meet your business and regulatory backup compliance requirements.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	elb-cross-zone-load-balancing-enabled	Enable cross-zone load balancing for your Elastic Load Balancers (ELBs) to help maintain adequate capacity and availability. The cross-zone load balancing reduces the need to maintain equivalent numbers of instances in each enabled availability zone. It also improves your application's ability to handle the loss of one or more instances.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	ec2-instances-in-vpc	Deploy Amazon Elastic Compute Cloud (Amazon EC2) instances within an Amazon Virtual Private Cloud (Amazon VPC) to enable secure communication between an instance and other services within the amazon VPC, without requiring an internet gateway, NAT device, or VPN connection. All traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. Assign Amazon EC2 instances to an Amazon VPC to properly manage access.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	rds-instance-deletion-protection-enabled	Ensure Amazon Relational Database Service (Amazon RDS) instances have deletion protection enabled. Use deletion protection to prevent your Amazon RDS instances from being accidentally or maliciously deleted, which can lead to loss of availability for your applications.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	rds-in-backup-plan	To help with data back-up processes, ensure your Amazon Relational Database Service (Amazon RDS) instances are a part of an AWS Backup plan. AWS Backup is a fully managed backup service with a policy-based backup solution. This solution simplifies your backup management and enables you to meet your business and regulatory backup compliance requirements.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	redshift-backup-enabled	To help with data back-up processes, ensure your Amazon Redshift clusters have automated snapshots. When automated snapshots are enabled for a cluster, Redshift periodically takes snapshots of that cluster. By default, Redshift takes a snapshot every eight hours or every 5 GB for each node of data changes, or whichever comes first.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	ssm-document-not-public	Ensure AWS Systems Manager (SSM) documents are not public, as this may allow unintended access to your SSM documents. A public SSM document can expose information about your account, resources and internal processes.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	acm-certificate-expiration-check	Ensure network integrity is protected by ensuring X509 certificates are issued by AWS ACM. These certificates must be valid and unexpired. This rule requires a value for daysToExpiration (AWS Foundational Security Best Practices value: 90). The actual value should reflect your organization's policies.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	autoscaling-group-elb-healthcheck-required	The Elastic Load Balancer (ELB) health checks for Amazon Elastic Compute Cloud (Amazon EC2) Auto Scaling groups support maintenance of adequate capacity and availability. The load balancer periodically sends pings, attempts connections, or sends requests to test Amazon EC2 instances health in an auto-scaling group. If an instance is not reporting back, traffic is sent to a new Amazon EC2 instance.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	codebuild-project-envvar-awscred-check	Ensure authentication credentials AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY do not exist within AWS Codebuild project environments. Do not store these variables in clear text. Storing these variables in clear text leads to unintended data exposure and unauthorized access.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	codebuild-project-source-repo-url-check	Ensure the GitHub or Bitbucket source repository URL does not contain personal access tokens, sign-in credentials within AWS Codebuild project environments. Use OAuth instead of personal access tokens or sign-in credentials to grant authorization for accessing GitHub or Bitbucket repositories.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	db-instance-backup-enabled	The backup feature of Amazon RDS creates backups of your databases and transaction logs. Amazon RDS automatically creates a storage volume snapshot of your DB instance, backing up the entire DB instance. The system allows you to set specific retention periods to meet your resilience requirements.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	dms-replication-not-public	Manage access to the AWS Cloud by ensuring DMS replication instances cannot be publicly accessed. DMS replication instances can contain sensitive information and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	dynamodb-autoscaling-enabled	Amazon DynamoDB auto scaling uses the AWS Application Auto Scaling service to adjust provisioned throughput capacity that automatically responds to actual traffic patterns. This enables a table or a global secondary index to increase its provisioned read/write capacity to handle sudden increases in traffic, without throttling.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	dynamodb-pitr-enabled	Enable this rule to check that information has been backed up. It also maintains the backups by ensuring that point-in-time recovery is enabled in Amazon DynamoDB. The recovery maintains continuous backups of your table for the last 35 days.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	dynamodb-throughput-limit-check	Enable this rule to ensure that provisioned throughput capacity is checked on your Amazon DynamoDB tables. This is the amount of read/write activity that each table can support. DynamoDB uses this information to reserve sufficient system resources to meet your throughput requirements. This rule generates an alert when the throughput approaches the maximum limit for a customer's account. This rule allows you to optionally set accountRCUThresholdPercentage (Config Default: 80) and accountWCUThresholdPercentage (Config Default: 80) parameters. The actual values should reflect your organization's policies.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	ebs-optimized-instance	An optimized instance in Amazon Elastic Block Store (Amazon EBS) provides additional, dedicated capacity for Amazon EBS I/O operations. This optimization provides the most efficient performance for your EBS volumes by minimizing contention between Amazon EBS I/O operations and other traffic from your instance.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	ebs-snapshot-public-restorable-check	Manage access to the AWS Cloud by ensuring EBS snapshots are not publicly restorable. EBS volume snapshots can contain sensitive information and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	ec2-instance-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon Elastic Compute Cloud (Amazon EC2) instances cannot be publicly accessed. Amazon EC2 instances can contain sensitive information and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	elasticache-redis-cluster-automatic-backup-check	When automatic backups are enabled, Amazon ElastiCache creates a backup of the cluster on a daily basis. The backup can be retained for a number of days as specified by your organization. Automatic backups can help guard against data loss. If a failure occurs, you can create a new cluster, which restores your data from the most recent backup.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	elasticsearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service (OpenSearch Service) Domains are within an Amazon Virtual Private Cloud (Amazon VPC). An OpenSearch Service domain within an Amazon VPC enables secure communication between OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	elb-deletion-protection-enabled	This rule ensures that Elastic Load Balancing has deletion protection enabled. Use this feature to prevent your load balancer from being accidentally or maliciously deleted, which can lead to loss of availability for your applications.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	emr-master-no-public-ip	Manage access to the AWS Cloud by ensuring Amazon EMR cluster master nodes cannot be publicly accessed. Amazon EMR cluster master nodes can contain sensitive information and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	lambda-function-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring AWS Lambda functions cannot be publicly accessed. Public access can potentially lead to degradation of availability of resources.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	lambda-inside-vpc	Deploy AWS Lambda functions within an Amazon Virtual Private Cloud (Amazon VPC) for a secure communication between a function and other services within the Amazon VPC. With this configuration, there is no requirement for an internet gateway, NAT device, or VPN connection. All the traffic remains securely within the AWS Cloud. Because of their logical isolation, domains that reside within an Amazon VPC have an extra layer of security when compared to domains that use public endpoints. To properly manage access, AWS Lambda functions should be assigned to a VPC.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	opensearch-access-control-enabled	Ensure fine-grained access control is enabled on your Amazon OpenSearch Service domains. Fine-grained access control provides enhanced authorization mechanisms to achieve least-privileged access to Amazon OpenSearch Service domains. It allows for role-based access control to the domain, as well as index, document, and field-level security, support for OpenSearch Service dashboards multi-tenancy, and HTTP basic authentication for OpenSearch Service and Kibana.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	opensearch-in-vpc-only	Manage access to the AWS Cloud by ensuring Amazon OpenSearch Service domains are within an Amazon Virtual Private Cloud (Amazon VPC). An Amazon OpenSearch Service domain within an Amazon VPC enables secure communication between Amazon OpenSearch Service and other services within the Amazon VPC without the need for an internet gateway, NAT device, or VPN connection.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	rds-instance-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information, and principles and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	rds-multi-az-support	Multi-AZ support in Amazon Relational Database Service (Amazon RDS) provides enhanced availability and durability for database instances. When you provision a Multi-AZ database instance, Amazon RDS automatically creates a primary database instance, and synchronously replicates the data to a standby instance in a different Availability Zone. Each Availability Zone runs on its own physically distinct, independent infrastructure, and is engineered to be highly reliable. In case of an infrastructure failure, Amazon RDS performs an automatic failover to the standby so that you can resume database operations as soon as the failover is complete.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	rds-snapshots-public-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Relational Database Service (Amazon RDS) instances are not public. Amazon RDS database instances can contain sensitive information and principles and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	redshift-cluster-public-access-check	Manage access to resources in the AWS Cloud by ensuring that Amazon Redshift clusters are not public. Amazon Redshift clusters can contain sensitive information and principles and access control is required for such accounts.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	s3-account-level-public-access-blocks-periodic	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access. This rule allows you to optionally set the ignorePublicAcls (Config Default: True), blockPublicPolicy (Config Default: True), blockPublicAcls (Config Default: True), and restrictPublicBuckets parameters (Config Default: True). The actual values should reflect your organization's policies.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	s3-bucket-level-public-access-prohibited	Manage access to resources in the AWS Cloud by ensuring that Amazon Simple Storage Service (Amazon S3) buckets cannot be publicly accessed. This rule helps keeping sensitive data safe from unauthorized remote users by preventing public access at the bucket level.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	s3-bucket-public-read-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	s3-bucket-public-write-prohibited	Manage access to resources in the AWS Cloud by only allowing authorized users, processes, and devices access to Amazon Simple Storage Service (Amazon S3) buckets. The management of access should be consistent with the classification of the data.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	s3-bucket-replication-enabled	Amazon Simple Storage Service (Amazon S3) Cross-Region Replication (CRR) supports maintaining adequate capacity and availability. CRR enables automatic, asynchronous copying of objects across Amazon S3 buckets to help ensure that data availability is maintained.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	sagemaker-notebook-no-direct-internet-access	Manage access to resources in the AWS Cloud by ensuring that Amazon SageMaker notebooks do not allow direct internet access. By preventing direct internet access, you can keep sensitive data from being accessed by unauthorized users.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	subnet-auto-assign-public-ip-disabled	Manage access to the AWS Cloud by ensuring Amazon Virtual Private Cloud (VPC) subnets are not automatically assigned a public IP address. Amazon Elastic Compute Cloud (EC2) instances that are launched into subnets that have this attribute enabled have a public IP address assigned to their primary network interface.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	vpc-default-security-group-closed	Amazon Elastic Compute Cloud (Amazon EC2) security groups can help in the management of network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Restricting all the traffic on the default security group helps in restricting remote access to your AWS resources.
3.13.2	Employ architectural designs, software development techniques, and systems engineering principles that promote effective information security within organizational systems.	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.13.6	Deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).	restricted-ssh	Amazon Elastic Compute Cloud (Amazon EC2) Security Groups can help manage network access by providing stateful filtering of ingress and egress network traffic to AWS resources. Not allowing ingress (or remote) traffic from 0.0.0.0/0 to port 22 on your resources help you restricting remote access.
3.13.6	Deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).	restricted-common-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) security groups. Not restricting access to ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. This rule allows you to optionally set blockedPort1 - blockedPort5 parameters (Config Defaults: 20,21,3389,3306,4333). The actual values should reflect your organization's policies.
3.13.6	Deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).	vpc-sg-open-only-to-authorized-ports	Manage access to resources in the AWS Cloud by ensuring common ports are restricted on Amazon Elastic Compute Cloud (Amazon EC2) Security Groups. Not restricting access on ports to trusted sources can lead to attacks against the availability, integrity and confidentiality of systems. By restricting access to resources within a security group from the internet (0.0.0.0/0) remote access can be controlled to internal systems.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	elasticsearch-node-to-node-encryption-check	Ensure node-to-node encryption for Amazon OpenSearch Service is enabled. Node-to-node encryption enables TLS 1.2 encryption for all communications within the Amazon Virtual Private Cloud (Amazon VPC). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	alb-http-to-https-redirection-check	To help protect data in transit, ensure that your Application Load Balancer automatically redirects unencrypted HTTP requests to HTTPS. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	api-gw-ssl-enabled	Ensure Amazon API Gateway REST API stages are configured with SSL certificates to allow backend systems to authenticate that requests originate from API Gateway.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	elb-acm-certificate-required	Because sensitive data can exist and to help protect data at transit, ensure encryption is enabled for your Elastic Load Balancing. Use AWS Certificate Manager to manage, provision and deploy public and private SSL/TLS certificates with AWS services and internal resources.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	opensearch-https-required	Because sensitive data can exist and to help protect data in transit, ensure HTTPS is enabled for connections to your Amazon OpenSearch Service domains.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	opensearch-node-to-node-encryption-check	Ensure node-to-node encryption for Amazon OpenSearch Service is enabled. Node-to-node encryption enables TLS 1.2 encryption for all communications within the Amazon Virtual Private Cloud (Amazon VPC). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	redshift-require-tls-ssl	Ensure that your Amazon Redshift clusters require TLS/SSL encryption to connect to SQL clients. Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.8	Implement cryptographic mechanisms to prevent unauthorized disclosure of CUI during transmission unless otherwise protected by alternative physical safeguards.	s3-bucket-ssl-requests-only	To help protect data in transit, ensure that your Amazon Simple Storage Service (Amazon S3) buckets require requests to use Secure Socket Layer (SSL). Because sensitive data can exist, enable encryption in transit to help protect that data.
3.13.10	Establish and manage cryptographic keys for cryptography employed in organizational systems.	cmk-backing-key-rotation-enabled	Enable key rotation to ensure that keys are rotated after they have reached the end of their crypto period.
3.13.10	Establish and manage cryptographic keys for cryptography employed in organizational systems.	kms-cmk-not-scheduled-for-deletion	To help protect data at rest, ensure necessary customer master keys (CMKs) are not scheduled for deletion in AWS Key Management Service (AWS KMS). Because key deletion is necessary at times, this rule can assist in checking for all keys scheduled for deletion, in case a key was scheduled unintentionally.
3.13.16	Protect the confidentiality of CUI at rest.	dynamodb-table-encrypted-kms	Ensure that encryption is enabled for your Amazon DynamoDB tables. Because sensitive data can exist at rest in these tables, enable encryption at rest to help protect that data. By default, DynamoDB tables are encrypted with an AWS owned customer master key (CMK).
3.13.16	Protect the confidentiality of CUI at rest.	ec2-ebs-encryption-by-default	To help protect data at rest, ensure that encryption is enabled for your Amazon Elastic Block Store (Amazon EBS) volumes. Because sensitive data can exist at rest in these volumes, enable encryption at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	rds-snapshot-encrypted	Ensure that encryption is enabled for your Amazon Relational Database Service (Amazon RDS) snapshots. Because sensitive data can exist at rest, enable encryption at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	s3-bucket-default-lock-enabled	Ensure that your Amazon Simple Storage Service (Amazon S3) bucket has lock enabled, by default. Because sensitive data can exist at rest in S3 buckets, enforce object locks at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	sagemaker-notebook-instance-kms-key-configured	To help protect data at rest, ensure encryption with AWS Key Management Service (AWS KMS) is enabled for your SageMaker notebook. Because sensitive data can exist at rest in SageMaker notebook, enable encryption at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	sns-encrypted-kms	To help protect data at rest, ensure that your Amazon Simple Notification Service (Amazon SNS) topics require encryption using AWS Key Management Service (AWS KMS). Because sensitive data can exist at rest in published messages, enable encryption at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	api-gw-cache-enabled-and-encrypted	To help protect data at rest, ensure encryption is enabled for your API Gateway stage's cache. Because sensitive data can be captured for the API method, enable encryption at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	cloud-trail-encryption-enabled	Because sensitive data may exist and to help protect data at rest, ensure encryption is enabled for your AWS CloudTrail trails.
3.13.16	Protect the confidentiality of CUI at rest.	cloudwatch-log-group-encrypted	To help protect sensitive data at rest, ensure encryption is enabled for your Amazon CloudWatch Log Groups.
3.13.16	Protect the confidentiality of CUI at rest.	efs-encrypted-check	Because sensitive data can exist and to help protect data at rest, ensure encryption is enabled for your Amazon Elastic File System (EFS).
3.13.16	Protect the confidentiality of CUI at rest.	elasticsearch-encrypted-at-rest	Because sensitive data can exist and to help protect data at rest, ensure encryption is enabled for your Amazon OpenSearch Service (OpenSearch Service) domains.
3.13.16	Protect the confidentiality of CUI at rest.	encrypted-volumes	Because sensitive data can exist and to help protect data at rest, ensure encryption is enabled for your Amazon Elastic Block Store (Amazon EBS) volumes.
3.13.16	Protect the confidentiality of CUI at rest.	kms-cmk-not-scheduled-for-deletion	To help protect data at rest, ensure necessary customer master keys (CMKs) are not scheduled for deletion in AWS Key Management Service (AWS KMS). Because key deletion is necessary at times, this rule can assist in checking for all keys scheduled for deletion, in case a key was scheduled unintentionally.
3.13.16	Protect the confidentiality of CUI at rest.	opensearch-encrypted-at-rest	Because sensitive data can exist and to help protect data at rest, ensure encryption is enabled for your Amazon OpenSearch Service domains.
3.13.16	Protect the confidentiality of CUI at rest.	rds-storage-encrypted	To help protect data at rest, ensure that encryption is enabled for your Amazon Relational Database Service (Amazon RDS) instances. Because sensitive data can exist at rest in Amazon RDS instances, enable encryption at rest to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	redshift-cluster-configuration-check	To protect data at rest, ensure that encryption is enabled for your Amazon Redshift clusters. You must also ensure that required configurations are deployed on Amazon Redshift clusters. The audit logging should be enabled to provide information about connections and user activities in the database. This rule requires that a value is set for clusterDbEncrypted (Config Default : TRUE), and loggingEnabled (Config Default: TRUE). The actual values should reflect your organization's policies.
3.13.16	Protect the confidentiality of CUI at rest.	s3-bucket-server-side-encryption-enabled	To help protect data at rest, ensure encryption is enabled for your Amazon Simple Storage Service (Amazon S3) buckets. Because sensitive data can exist at rest in Amazon S3 buckets, enable encryption to help protect that data.
3.13.16	Protect the confidentiality of CUI at rest.	sagemaker-endpoint-configuration-kms-key-configured	To help protect data at rest, ensure encryption with AWS Key Management Service (AWS KMS) is enabled for your SageMaker endpoint. Because sensitive data can exist at rest in SageMaker endpoint, enable encryption at rest to help protect that data.
3.14.1	Identify, report, and correct information and system flaws in a timely manner.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.14.1	Identify, report, and correct information and system flaws in a timely manner.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.14.2	Provide protection from malicious code at appropriate locations within organizational systems.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.14.2	Provide protection from malicious code at appropriate locations within organizational systems.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.14.3	Monitor system security alerts and advisories and take actions in response.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.14.3	Monitor system security alerts and advisories and take actions in response.	ec2-managedinstance-patch-compliance-status-check	Enable this rule to help with identification and documentation of Amazon Elastic Compute Cloud (Amazon EC2) vulnerabilities. The rule checks if Amazon EC2 instance patch compliance in AWS Systems Manager as required by your organization's policies and procedures.
3.14.3	Monitor system security alerts and advisories and take actions in response.	elastic-beanstalk-managed-updates-enabled	Enabling managed platform updates for an Amazon Elastic Beanstalk environment ensures that the latest available platform fixes, updates, and features for the environment are installed. Keeping up to date with patch installation is a best practice in securing systems.
3.14.3	Monitor system security alerts and advisories and take actions in response.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.14.3	Monitor system security alerts and advisories and take actions in response.	redshift-cluster-maintenancesettings-check	This rule ensures that Amazon Redshift clusters have the preferred settings for your organization. Specifically, that they have preferred maintenance windows and automated snapshot retention periods for the database. This rule requires you to set the allowVersionUpgrade. The default is true. It also lets you optionally set the preferredMaintenanceWindow (the default is sat:16:00-sat:16:30), and the automatedSnapshotRetentionPeriod (the default is 1). The actual values should reflect your organization's policies.
3.14.4	Update malicious code protection mechanisms when new releases are available.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	alb-waf-enabled	Ensure AWS WAF is enabled on Elastic Load Balancers (ELB) to help protect web applications. A WAF helps to protect your web applications or APIs against common web exploits. These web exploits may affect availability, compromise security, or consume excessive resources within your environment.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	api-gw-associated-with-waf	AWS WAF enables you to configure a set of rules (called a web access control list (web ACL)) that allow, block, or count web requests based on customizable web security rules and conditions that you define. Ensure your Amazon API Gateway stage is associated with a WAF Web ACL to protect it from malicious attacks
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	multi-region-cloudtrail-enabled	AWS CloudTrail records AWS Management Console actions and API calls. You can identify which users and accounts called AWS, the source IP address from where the calls were made, and when the calls occurred. CloudTrail will deliver log files from all AWS Regions to your S3 bucket if MULTI_REGION_CLOUD_TRAIL_ENABLED is enabled. Additionally, when AWS launches a new Region, CloudTrail will create the same trail in the new Region. As a result, you will receive log files containing API activity for the new Region without taking any action.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	rds-logging-enabled	To help with logging and monitoring within your environment, ensure Amazon Relational Database Service (Amazon RDS) logging is enabled. With Amazon RDS logging, you can capture events such as connections, disconnections, queries, or tables queried.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	wafv2-logging-enabled	To help with logging and monitoring within your environment, enable AWS WAF (V2) logging on regional and global web ACLs. AWS WAF logging provides detailed information about the traffic that is analyzed by your web ACL. The logs record the time that AWS WAF received the request from your AWS resource, information about the request, and an action for the rule that each request matched.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	api-gw-execution-logging-enabled	API Gateway logging displays detailed views of users who accessed the API and the way they accessed the API. This insight enables visibility of user activities.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	cloudtrail-enabled	AWS CloudTrail can help in non-repudiation by recording AWS Management Console actions and API calls. You can identify the users and AWS accounts that called an AWS service, the source IP address where the calls generated, and the timings of the calls. Details of captured data are seen within AWS CloudTrail Record Contents.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	cloudtrail-s3-dataevents-enabled	The collection of Simple Storage Service (Amazon S3) data events helps in detecting any anomalous activity. The details include AWS account information that accessed an Amazon S3 bucket, IP address, and time of event.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	elb-logging-enabled	Elastic Load Balancing activity is a central point of communication within an environment. Ensure ELB logging is enabled. The collected data provides detailed information about requests sent to the ELB. Each log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	redshift-cluster-configuration-check	To protect data at rest, ensure that encryption is enabled for your Amazon Redshift clusters. You must also ensure that required configurations are deployed on Amazon Redshift clusters. The audit logging should be enabled to provide information about connections and user activities in the database. This rule requires that a value is set for clusterDbEncrypted (Config Default : TRUE), and loggingEnabled (Config Default: TRUE). The actual values should reflect your organization's policies.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	s3-bucket-logging-enabled	Amazon Simple Storage Service (Amazon S3) server access logging provides a method to monitor the network for potential cybersecurity events. The events are monitored by capturing detailed records for the requests that are made to an Amazon S3 bucket. Each access log record provides details about a single access request. The details include the requester, bucket name, request time, request action, response status, and an error code, if relevant.
3.14.6	Monitor organizational systems, including inbound and outbound communications traffic, to detect attacks and indicators of potential attacks.	vpc-flow-logs-enabled	The VPC flow logs provide detailed records for information about the IP traffic going to and from network interfaces in your Amazon Virtual Private Cloud (Amazon VPC). By default, the flow log record includes values for the different components of the IP flow, including the source, destination, and protocol.
3.14.7	Identify unauthorized use of organizational systems.	elasticsearch-logs-to-cloudwatch	Ensure Amazon OpenSearch Service domains have error logs enabled and streamed to Amazon CloudWatch Logs for retention and response. Domain error logs can assist with security and access audits, and can help to diagnose availability issues.
3.14.7	Identify unauthorized use of organizational systems.	multi-region-cloudtrail-enabled	AWS CloudTrail records AWS Management Console actions and API calls. You can identify which users and accounts called AWS, the source IP address from where the calls were made, and when the calls occurred. CloudTrail will deliver log files from all AWS Regions to your S3 bucket if MULTI_REGION_CLOUD_TRAIL_ENABLED is enabled. Additionally, when AWS launches a new Region, CloudTrail will create the same trail in the new Region. As a result, you will receive log files containing API activity for the new Region without taking any action.
3.14.7	Identify unauthorized use of organizational systems.	rds-logging-enabled	To help with logging and monitoring within your environment, ensure Amazon Relational Database Service (Amazon RDS) logging is enabled. With Amazon RDS logging, you can capture events such as connections, disconnections, queries, or tables queried.
3.14.7	Identify unauthorized use of organizational systems.	securityhub-enabled	AWS Security Hub helps to monitor unauthorized personnel, connections, devices, and software. AWS Security Hub aggregates, organizes, and prioritizes the security alerts, or findings, from multiple AWS services. Some such services are Amazon Security Hub, Amazon Inspector, Amazon Macie, AWS Identity and Access Management (IAM) Access Analyzer, and AWS Firewall Manager, and AWS Partner solutions.
3.14.7	Identify unauthorized use of organizational systems.	wafv2-logging-enabled	To help with logging and monitoring within your environment, enable AWS WAF (V2) logging on regional and global web ACLs. AWS WAF logging provides detailed information about the traffic that is analyzed by your web ACL. The logs record the time that AWS WAF received the request from your AWS resource, information about the request, and an action for the rule that each request matched.
3.14.7	Identify unauthorized use of organizational systems.	api-gw-execution-logging-enabled	API Gateway logging displays detailed views of users who accessed the API and the way they accessed the API. This insight enables visibility of user activities.
3.14.7	Identify unauthorized use of organizational systems.	cloudtrail-enabled	AWS CloudTrail can help in non-repudiation by recording AWS Management Console actions and API calls. You can identify the users and AWS accounts that called an AWS service, the source IP address where the calls generated, and the timings of the calls. Details of captured data are seen within AWS CloudTrail Record Contents.
3.14.7	Identify unauthorized use of organizational systems.	cloudtrail-s3-dataevents-enabled	The collection of Simple Storage Service (Amazon S3) data events helps in detecting any anomalous activity. The details include AWS account information that accessed an Amazon S3 bucket, IP address, and time of event.
3.14.7	Identify unauthorized use of organizational systems.	elb-logging-enabled	Elastic Load Balancing activity is a central point of communication within an environment. Ensure ELB logging is enabled. The collected data provides detailed information about requests sent to the ELB. Each log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses.
3.14.7	Identify unauthorized use of organizational systems.	guardduty-enabled-centralized	Amazon GuardDuty can help to monitor and detect potential cybersecurity events by using threat intelligence feeds. These include lists of malicious IPs and machine learning to identify unexpected, unauthorized, and malicious activity within your AWS Cloud environment.
3.14.7	Identify unauthorized use of organizational systems.	opensearch-logs-to-cloudwatch	Ensure Amazon OpenSearch Service domains have error logs enabled and streamed to Amazon CloudWatch Logs for retention and response. OpenSearch Service error logs can assist with security and access audits, and can help to diagnose availability issues.
3.14.7	Identify unauthorized use of organizational systems.	redshift-cluster-configuration-check	To protect data at rest, ensure that encryption is enabled for your Amazon Redshift clusters. You must also ensure that required configurations are deployed on Amazon Redshift clusters. The audit logging should be enabled to provide information about connections and user activities in the database. This rule requires that a value is set for clusterDbEncrypted (Config Default : TRUE), and loggingEnabled (Config Default: TRUE). The actual values should reflect your organization's policies.
3.14.7	Identify unauthorized use of organizational systems.	s3-bucket-logging-enabled	Amazon Simple Storage Service (Amazon S3) server access logging provides a method to monitor the network for potential cybersecurity events. The events are monitored by capturing detailed records for the requests that are made to an Amazon S3 bucket. Each access log record provides details about a single access request. The details include the requester, bucket name, request time, request action, response status, and an error code, if relevant.
3.14.7	Identify unauthorized use of organizational systems.	vpc-flow-logs-enabled	The VPC flow logs provide detailed records for information about the IP traffic going to and from network interfaces in your Amazon Virtual Private Cloud (Amazon VPC). By default, the flow log record includes values for the different components of the IP flow, including the source, destination, and protocol.

Template

The template is available on GitHub: Operational Best Practices for NIST 800 171.