Monitor and audit CloudTrail to ensure security, availability, reliability is not compromised.
Use MFA Delete Feature
Ensure that your AWS CloudTrail logging bucket use Multi-Factor Authentication (MFA) Delete feature in order to prevent the deletion of any versioned log files.
Check if logging buckets are publicly accessible
Check for any AWS CloudTrail logging buckets that are publicly accessible, in order to determine if your AWS account could be at risk.
CloudTrail must log Data Events
Ensure that all your AWS CloudTrail trails are configured to log Data events in order to record S3 object-level API operations, such as GetObject, DeleteObject and PutObject.
Ensure Log files are delivered without any failures
Ensure that the log files generated by your AWS CloudTrail trails are delivered without any failures to designated recipients in order to keep CloudTrail logging data for security and compliance audits.
CloudTrail must be enabled for all regions
Ensure that CloudTrail is enabled for all AWS regions in order to increase the visibility of the API activity in your AWS account for security and management purposes.
Record both regional and global events
Ensure that your CloudTrail trails are recording both regional and global events in order to increase the visibility of the API activity in your AWS account for security and management purposes.
Enable Include Global Services feature
Ensure that only one trail within a CloudTrail multi-region logging configuration has Include Global Services feature enabled in order to avoid duplicate log events being recorded for the AWS global services such as IAM, STS or Cloudfront.
Ensure CloudTrail monitoring by CloudWatch logs
Ensure AWS CloudTrail events are being monitored with CloudWatch Logs for management and security purposes.
Enable File Integrity Validation Feature
Ensure that your trails have file integrity validation feature enabled in order to check the log files and detect whether these were modified or deleted after CloudTrail agent delivered them to the S3 bucket.
Ensure CloudTrail logs are encrypted
Ensure that your CloudTrail logs are encrypted at rest using server-side encryption provided by AWS KMS–Managed Keys (SSE-KMS) to enhance the security of your CloudTrail bucket
CloudTrails must log Management Events
Ensure that all your AWS CloudTrail trails are configured to log Management events in order to record important operations such as EC2 RunInstances, DescribeInstances, TerminateInstances and Console Login.
CloudTrail is configured to use appropriated S3 Bucket
Ensure that your Amazon CloudTrail trail is configured to use the appropriated S3 bucket in order to meet regulatory compliance requirements within your organization
Enable Server Access Logging feature
Ensure that any S3 buckets used by AWS CloudTrail have Server Access Logging feature enabled in order to track requests for accessing the buckets and necessary for security audits.
Enable Object Lock feature
Ensure that the Amazon S3 buckets associated with your CloudTrail trails have Object Lock feature enabled in order to prevent the objects they store (i.e. trail log files) from being deleted and meet regulatory compliance.
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