Use S3 Object Lock for immutability, store artifacts in a standard S3 bucket, and use S3 Lifecycle for cost management.

Store artifacts in an isolated forensic account, use S3 Object Lock for immutability, and replicate to another region.

Enable S3 replication for disaster recovery, use S3 Object Lock for immutability, and store artifacts in a standard S3 bucket.

Use S3 Lifecycle for archiving, store artifacts in an isolated forensic account, and use S3 Object Lock for immutability.