The company, in a blog entry posted Tuesday afternoon, added it is still unsure if the intruder also obtained credit card data for members who have that on file with the service, which provides online functionality for the PlayStation 3.

"Although we are still investigating the details of this incident, we believe that an unauthorized person has obtained the following information that you provided: name, address (city, state, zip), country, email address, birthdate, PlayStation Network/Qriocity password and login, and handle/PSN online ID," wrote Patrick Seybold, senior director of corporate communications for Sony Computer Entertainment America. "It is also possible that your profile data, including purchase history and billing address ... and your PlayStation Network/Qriocity password security answers may have been obtained. ... While there is no evidence at this time that credit card data was taken, we cannot rule out the possibility.

More : http://blog.games.yahoo.com/blog/631-sony-issues-warning-after-playstation-network-attack