Just now I read vbulletin's announcement in my admincp. Here's a teaser: While you search at Google's code search, you can find contents of the files within your zipped or tarred files saved on the server. This includes password, login information e.t.c. So if any of you are saving archived backups on your server then password protect them or take them off from the server. Here's an example: http://www.google.com/codesearch?q=vbulletin It's just not for vbulletin forum administrators, every webmaster saving zip files with sensitive information in it is prone to defacements from hackers and other crazy people who have nothing better to do.