These kinds of cases regarding unauthorised installations of distributed computing software pop up every now and then.
Here's one from 2001 regarding Distributed.Net's RC5-64 cracking challenge.
http://www.securityfocus.com/news/300These problems are compounded by Bitcoin's underground image in the popular media (Silk Road), and frequent hacking, theft, or incompetence (MtGox, Bitcoinica x2, the Polish exchange, etc). Fortunately in this case the ABC employee just got a slap on the wrist.