If there's a hole in your S3 bucket, data thieves will be sprayed by Macie
https://www.theregister.co.uk/2017/08/22/aws_amazon_macie_bot/
Analysis Data loss prevention is about to get a whole lot smarter.
Macie is an Amazon Web Services bot that safeguards the sensitive contents of S3 buckets. Amazon bought the company behind it, Harvest.ai, surreptitiously in January this year, paying a rumoured $19m.