I think my ID got hacked AAAAWWWWWWWWWW

Any GM can help me? I got 11.670 credit points & before 10th Feb 2011, but sumbody just spent all my credit points for ABG leather stuff. The weird things is my Sorcerer char who's spent my credit & at that date (10 Feb 2011) am not ONLINE. How the hell this happened? It took long time to get 11.670 credit, i just got plan to buy em for Cloth ABG but sumbody STEAL it from me :devil: (I NEVER BUY THAT STUFF HONEST I SWEAR TO GOD)
Any GM can track who's i trade that ABG Leather at 10 Feb 2011 (it says that i buy ABG Leather from Thursday 10th of February 2011 02:58:52 PM - 03:16:46 PM but AM NOT ONLINE THAT DAY!!!!), & i wanna get back my Credit pls
That Credit is not from dupe or hack...i vote em myself....
THAT'S HURT MEEEEEEE AWWWWW.........help me pls GM