Within the last 24 hours, (at least) four Wikipedia administrators have had their accounts hacked, resulting in four deletions of the main page, and a bit of other vandalism. It appears that each one had a weak, easily guessed password. All editors, admin or no, should change weak passwords immediately, on all Wikimedia projects. No “password”, “fuckyou”, “wikipediarocks”, cat’s names, dictionary words, meaningful numbers, etc.
For more, see: