Orchestrate Automated Response for Amazon GuardDuty Malware Protection for AWS Backup at Scale

This post explains how to implement automated quarantine for infected backup recovery points using EventBridge and Lambda to tag compromised backups, enforce restore denial through SCPs, and notify security teams. Organizations can prevent ransomware-infected backups from being restored to production by coupling GuardDuty malware detection with organizational-level policy enforcement, eliminating manual intervention during security incidents.