Hacker Steals Playstation users' Information

According to CNN:

Rocking the tech world right now is the announcement from Sony that a hacker has managed to break into the Playstation Network and steal the personal information of over 70 million Playstation users. Investigators have stated that the breach occurred around April 20, and that the hacker managed to steal usernames, passwords, e-mail and home addresses, and credit card numbers of the account holders. The breach also crippled Sony's network. Sony is urging its users to protect themselves against identity theft and check their billing information to see if anyone is using their credit cards. Officials from Sony have stated that they are investigating the issue further.