Security researchers say hackers claiming to have credit card information stolen from Sony's PlayStation Network last week are trying to sell that information on underground Internet forums, but the veracity of the claims could not be confirmed.
Sony warned its more than 70 million customers on Tuesday that their personal information--including customer names, addresses, e-mail addresses, birthdays, network passwords, and user names, as well as online user handles--was obtained illegally by an "unauthorized person." Sony responded to the intrusion, which occurred between April 17 and 19, by temporarily disabling PSN and Qriocity,...