A company has an application that is accessed through an Application Load Balancer (ALB).

Enable CloudWatch Anomaly Detection for the appropriate ALB metrics Create alarms based on metric anomaly detection. Configure the alarms to notify the SNS topic when the alarms are in ALARM state.

Implement CloudWatch Contributor Insights Create a Contributor Insights rule that searches for values that are higher than normal for the appropriate metrics for the ALB Configure the rule to notify the SNS topic if the values are detected.

Create an AWS WAF web ACL for the ALB Include a rate-based rule that counts the requests and compares the number to the previous highest number of requests per second Configure the rate-based rule action to target the SNS topic when the rule is matched.

Enable Amazon GuardDuty Create an Amazon EventBridge rule that runs when GuardDuty detects a finding that the ALB has exceeded its normal traffic patterns Configure the SNS topic as the target of the rule.