wiredmikey (1824622) writes "Mozilla Mistakenly Posts File Containing Registered User Data — Mozilla today sent an email to registered users of its addons.mozilla.org site, letting them know that it had mistakenly posted a file to a publicly available Web server which contained data from its user database including email addresses, first and last names, and an md5 hash representation of user passwords." Link to Original Source
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.