I am intrigued by the possibility of your account being hacked. The forum is recently under "attack" of hacker silently co-living with the real owner, where they didn't hold it for ransom or change the credentials so the owner can't access it, they move under the radar by not touching anything and execute their action. Oone of the recent case is asking for a loan.

Can you check your IP log as per Despairo suggested? Through https://bitcointalk.org/myips.php?