"Classified Pentagon data leaked on the public cloud... The information was left on an unlisted but public Amazon Web Services storage server. It is likely to have been accessible to anyone on the internet for years... A virtual-disk snapshot of a computer hard drive was found in an Amazon Web Services S3 cloud-storage account configured for public access... The files include sensitive details about the US Department of Defense's battlefield-intelligence system, its cloud-based intelligence-gathering platform, Red Disk, and a virtual drive for receiving and transmitting classified data. The files also contain private keys and hashed passwords, which could be used to access other internal systems at the Pentagon, if the passwords are still valid and the hash is cracked..." http://www.bbc.com/news/technology-42166004
This Amazon Cloud stuff is really getting ridiculous. If UpGuard can discover this stuff, then so can other hackers, and I'm sure they already did. Here is another one: https://www.upguard.com/breaches/credit-crunch-national-credit-federation