It appears that two of Blizzards CM's (Drokthul and Nethaera) fell victem to keylogger attacks recently. This thread has links to screenshots of the now removed threads that the loggers posted: 2 Pics of Neth and Drokthul keylogged.

The fact that this kind of attack is more and more common, and that it can happen to anyone, may lead to the removal of all outside links from Blizzards forums as posted by Tyren here: No More Links on The Forums! .