CCP Sreegs concludes the investigation and provides an overview.

Dev Blog: The FW Exploit 2012 (or: how I learned about FOREX)
community.eveonline.com
Firstly I'd like to apologize for the delay in finalizing this investigation. We had to do a lot of chatting, calculating, checking and rechecking in order to ensure to the best of our capabilities that the resolution we are providing is one we believe to be a fair one. That simply doesn't happen ov…