In a press release on the Playstation Network blog, spokesperson Patrick Seybold added a lengthy explanation of how the company plans to respond to the hack, including adding new layers of security, changing how it encrypts customer data, and appointing a chief information security officer.

FORBES: Sony Apologizes For Playstation Breach, Appeases Users With Freebies

"People are cruel, " says Hemanshu Nigam, chief security officer at MySpace, which requires no ID data for any post.

FORBES: Anonymity & the Net

And Martin Carmichael, chief security officer at McAfee Software, says that internal data breaches are more likely than external attacks to reveal key private information.

FORBES: Magazine Article