Enable AWS CloudTrail and AWS Config to log API calls and configuration changes in the disaster recovery environment.

Monitor the performance metrics of the AWS Storage Gateway and Amazon S3, such as latency and throughput, to identify potential issues.

Implement a custom script to scan for vulnerabilities in the disaster recovery environment and generate alerts based on the findings.

Set up Amazon CloudWatch alarms to monitor the replication status of the AWS Storage Gateway and generate alerts based on predefined thresholds.