I suspect that a breach of most companies AWS accounts would lead to a complete breach of that company.
Somewhere in the mountains of data stored in an AWS account and all it's associated EC2 instances and backups on S3 will be credentials or information to thoroughly breach all other systems.
Somewhere in the mountains of data stored in an AWS account and all it's associated EC2 instances and backups on S3 will be credentials or information to thoroughly breach all other systems.