security video for an application runs across multiple Amazon EC2 instances in multiple Availability Zones behind an Application Load Balancer (ALB). The
An application runs across multiple Amazon EC2 instances in multiple Availability Zones behind an Application Load Balancer (ALB). The application is experiencing a DDoS attack from malicious software that is distributed across hosts around the world. The software can be identified in the User-Agent field of the request header. A security engineer needs to mitigate the attack. Which actions should be taken?