May I ask what happened and when did it occur? It seems to occur with alarming frequency to older accounts. I am actually quite scared of using my older account and opt to register for new account just to post here.
this
https://bitcointalk.org/index.php?topic=2170888.0;topicseen
I didnt get any memo because the mail I registered here 2013 was deleted years ago.
My old account is shilling the hell out of ALT coins now.....
Here's the procedure for recovering hacked or lost accounts: https://bitcointalk.org/index.php?topic=497545