AWS Security Blog
Tag: S3 object ACLs
How to Detect and Automatically Remediate Unintended Permissions in Amazon S3 Object ACLs with CloudWatch Events
Update on October 24, 2018: Note that if you do not author the Lambda function correctly, this setup can create an infinite loop (in this case, a rule that is fired repeatedly, which can impact your AWS resources and cause higher than expected charges to your account). The example Lambda function I provide in Step […]