*May 23 -- Sony BMG server in , user account info stolen.

*May 19-20 -- $1,200 worth of virtual tokens stolen from So-Net, a Sony subsidiary; phishing site found on Thai Sony server.

*May 2 -- Sony over 12,000 credit card numbers were stolen during initial PSN attacks.

*April 17 -- PlayStation Network , hackers gain access to personal info of over 77 million users.

Computer security expert and former hacker Gregory Evans said Sony would be well-served to hire ex-hackers instead of IT managers to help secure its networks.