A company needs to store multiple years of financial records.

Configure S3 server-side encryption. Create an S3 bucket policy that has an explicit deny rule for all users for s3:DeleteObject and s3:PutObject API calls. Configure S3 Object Lock to use governance mode with a retention period of 7 years.

Configure S3 server-side encryption. Configure S3 Versioning on the S3 bucket. Configure S3 Object Lock to use compliance mode with a retention period of 7 years.

Configure S3 Versioning. Configure S3 Intelligent-Tiering on the S3 bucket to move the documents to S3 Glacier Deep Archive storage. Use S3 server-side encryption immediately. Expire the objects after 7 years.

Set up S3 Event Notifications and use S3 server-side encryption. Configure S3 Event Notifications to target an AWS Lambda function that will review any S3 API call to the S3 bucket and deny the s3:DeleteObject and s3:PutObject API calls. Remove the S3 eventnotification after 7 years.