Seems to be pointing to Atwa more & more. She was at one point going around at various forums, or one forum in particular last year (Or was it this year?) asking about hacking. I forget what forum it was but i think the info about her antics regarding hacking is posted here on PMBD somewhere.
Looks to me as if their going after anyone they believe has wronged TSR in someway or who they perceive as a threat.
.......Edited for typos