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Sony Blames Anonymous For Playstation Attack

May 4, 2011

Sony Corp. is now blaming the Internet vigilante group Anonymous for hacking into its PlayStation Network.

“Sony now faces a large-scale cyber-attack involving the theft of personal information,” Kazuo Hirai, chairman of the board of directors of Sony Computer Entertainment America LLC, said in a letter to members of Congress.

“What is becoming more and more evident is that Sony has been the victim of a very carefully planned, very professional, highly sophisticated criminal cyber attack designed to steal personal and credit card information for illegal purposes,” he added.

The company said its video game network was breached at the same time it was defending itself against a major denial of service (DoS) attack by Anonymous.

Sony said that Anonymous targeted it several weeks ago using a DoS attack in protest of Sony defending itself against a hacker in federal court in San Francisco.

It also said the attack that stole the personal data of millions of Sony customers was launched separately, while the company was distracted protecting itself against the denial of service campaign.

The PlayStation Network had 12.3 million accounts with credit card numbers, and about 5.6 million of those accounts were U.S. accounts.

Sony suspended its PlayStation Network due to the recent hack that affected as many as 77 million PlayStation users worldwide.

Sony said it would resume some services this week and offer incentives to customers in hopes of stemming a growing call for injured account holders to switch to the Microsoft Xbox online games after the theft of credit card numbers and personal identity information.

Sony also said in the letter that it waited two days after discovering data was stolen from its video game network before it contacted law enforcement and did not meet with FBI officials until five days later.

Sony said in the letter that it noticed unauthorized activity on its network on April 19, and discovered that data had been transferred off the network a day later.

“I am deeply concerned about the egregious inadequacy of Sony’s efforts thus far to notify its customers of these breaches or to provide adequate protections for users whose personal and financial information may have been compromised,” Richard Blumenthal, a Connecticut Democrat, said in response to the letter in a statement.

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