<http://www.omgubuntu.co.uk/2013/07/ubuntu-forum-hacked-users-advised-to-change-passwords> Their forums use vBulletin, which uses MD5 to encrypt the passwords, so it might be easy to decrypt the 1.8 million stolen passwords. A lot of distro forums use vBulletin, so I hope this encourages a migration to better forum software, like Discourse. Michael