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Maintaining object immutability by automatically extending Amazon S3 Object Lock retention periods

Storage Blog



This article presents a solution to set and maintain immutability for current versions of objects in Amazon S3 indefinitely, helping fulfill compliance requirements and prevent data from being permanently deleted.

Specifically, the article covers:

  • Overview of the CloudFormation-based solution that automatically extends S3 Object Lock retention periods
  • How the solution works, including using S3 Inventory, Amazon Athena, CSV manifest, and S3 Batch Operations
  • Solution deployment steps and configuration options
  • Monitoring and "report only" mode
  • Scalability and performance testing results
  • Cost estimates and considerations
  • Examples of different deployment scenarios
  • Cleanup process for removing the solution


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