A security vulnerability at Groupon was discovered by a fellow using Google to search for database stuff. People are leaving SQL database dumps where the web servers can share them with the world … Talk about leaving the door open.
If you cannot believe this happens try this search of Google: filetype:sql. 266K results. Sob… One file contains the admin password for a WordPress blog as a hash, permitting cracking by brute force. Others are harmless, containing the same information as visible on a website or as a template to distribute software. Others have already been fixed/taken down.