security video for a website runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) which serves as an origin for an
A website runs on Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB) which serves as an origin for an Amazon CloudFront distribution. An AWS WAF is being used to protect against SQL injection attacks. A review of security logs revealed an external malicious IP that needs to be blocked from accessing the website. What steps should be taken to protect the application?