A few days ago a member from the No-Steam crew by-passed Valve's security and exposed some financial information. What does he want in return? A notice on the steampowered website saying their systems have been comprimised. Whats at risk? Lots and lots of credit card information.
Interview has been found with MaddoxX, the proclaimed hacker of Valve. Read it here: http://www.freenationfoundation.org/?page_id=24