Sony's troubles aren't over yet. The Japanese electronics giant has reportedly been subpoenaed by New York State Attorney General Eric Schneiderman in the wake of a hacking attack exposing the account records of 100 million customers.

Citing senior officials in the Attorney General's office The New York Times and Bloomberg said the subpoenas were sent to Sony Computer Entertainment America, Sony Network Entertainment and Sony Online Entertainment.

SCEA runs the PlayStation Network and Qriocity music service. Both were shut down April 20 after the company detected a security breach. In a letter to Congress, Sony Executive Deputy President Kazuo Hirai said the company decided to cut off access to the network entirely to deal with the problem. 77 million customer records were stolen, including millions of credit card numbers.

On Monday Sony said Sony Online Entertainment, which offers PC-based online gaming, was hacked as well, with tens of thousands of credit card numbers and customer records taken. The information of some 25 million users was compromised.

Sony has offered a month of free online services to customers of the PlayStation Network and Qriocity, and apologized in a press conference in Japan on May 1. The company promised to improve security on the PlayStation Network.

The security breach has prompted calls for investigations by Congress and several attorneys general of various states besides New York. Sony was asked to testify before Congress Wednesday, but the company declined. At that hearing, before the House Energy and Commerce Committee, one expert noted that Sony had no firewall protection and was running outdated versions of the software that ran the PlayStation Network servers.

A Sony spokesman told the Times that the company plans to cooperate with the New York Attorney General's request.

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