Personal information was obtained by an “unauthorized person,” Sony says. The information includes names, addresses, billing history and birthdays. Sony shut down its Internet gaming service last week after a hacking attack. The Japanese electronics giant said it is informing its 77 million PSN customers that personal information is obtained by a hacker. The company says it will inform customers of the information obtained by the hacker or an “unauthorized person” The information was taken by an unknown person, the company says.
Source: https://thehackernews.com/2011/04/hacker-got-playstation-77-million-psn.html