The Ubuntu Forums is the official forum for the Ubuntu operating system.As of December 2013, The Ubuntu Forums has 1,880,658 registered members and more than 2,000,670 threads. The Ubuntu Forums currently runs on the forum software vBulletin.On July 20, 2013 the site was compromised, with attacker(s) both defacing the site and gaining access to "all user email addresses and hashed passwords"