Sony Computer Entertainment Inc. was aware in late April of the massive scale of the data breach involving its PlayStation Network services but only announced that some information may have been leaked, Kyodo News reported Thursday, citing a document released by the Ministry of Economy, Trade and Industry.
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The document dated May 6 contains a chronology of events submitted by SCE to the ministry. It showed that SCE confirmed on April 25, U.S. time, a “fairly large amount of data” had been compromised in an illegal intrusion into its systems, although it was unable to determine specifically what kind of personal information relating to registered users had been leaked.
In a press release issued the following day, SCE said that certain user account information related to its PlayStation Network and Qriocity services had been comprised as a result of an illegal and unauthorized intrusion into its network, adding that it believed user information including names, addresses and network passwords had been leaked.
SCE President Kazuo Hirai said in a news conference on May 1 that the company learned of the possibility of the breach on April 26, U.S. time, in contradiction to what it told the ministry.
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