Correct answer - "CloudTrail" : With CloudTrail, you can log, continuously monitor, and retain
account activity related to actions across your AWS infrastructure. CloudTrail provides event
history of your AWS account activity, including actions taken through the AWS Management
Console, AWS SDKs, command line tools, and other AWS services. This event history simplifies
security analysis, resource change tracking, and troubleshooting.
"VPC Flow Logs" - VPC Flow Logs is a feature that enables you to capture information about the IP
traffic going to and from network interfaces in your VPC
"IAM" - The IAM service allows for access control
"CloudWatch Logs" - You can use Amazon CloudWatch Logs to monitor, store, and access your log
files from Amazon Elastic Compute Cloud (Amazon EC2) instances, AWS CloudTrail, Route 53, and
other sources
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