Indeed. It'd be best to have another copy of the backup somewhere other than S3, or in S3 under a different AWS account. I worked for a company that had all th

Indeed. It'd be best to have another copy of the backup somewhere other than S3, or in S3 under a different AWS account. I worked for a company that had all their databases in AWS RDS and all their database backups as RDS backups stored in the same AWS account. A compromise of a single high-privilege account could cause that company to no longer have ANY data. I warned the higher-ups repeatedly that they needed more than one backup location. They didn't seem to care too much.