AWS WAF, AWS Firewall Manager, and AWS Shield Advanced
Developer Guide (API Version 2015-08-24)

Step 6: Monitor the Global Threat Environment Dashboard

The global threat environment dashboard provides a near real-time summary of the global AWS threat landscape. The threat landscape includes the largest attack, the top attack vectors, and the relative number of significant attacks. To view the history of significant DDoS attacks, you can customize the dashboard for different time durations. For more information, see Monitoring Threats Across AWS.