A. Configure Amazon CloudWatch Events in the production accounts to send all S3 events to the security account event bus.
B. Enable Amazon GuardDuty in the security account, and join the production accounts as members.
C. Configure an Amazon CloudWatch Events rule in the security account to detect S3 bucket creation or modification events.
D. Enable AWS Trusted Advisor and activate email notifications for an email address assigned to the security contact.
E. Invoke an AWS Lambda function in the security account to analyze S3 bucket settings in response to S3 events, and send non-compliance notifications to the Security team.
F. Configure event notifications on S3 buckets for PUT, POST, and DELETE events.

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