Sony blames Anonymous for PlayStation Network data theft debacle

Sony says that the hacker group Anonymous is behind, or at least partially responsible for, the huge security breach of its PlayStation Network — a claim the elusive hacktivists firmly deny.
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Sony pegs loss of PlayStation Network and Qriocity service to an ‘external intrusion’

Sony officially confirms that the loss of service on PlayStation Network and Qriocity is the result of an "external intrusion," though hacker group Anonymous denies any involvement.

Anyone who visited GeoHot’s PS3 jailbreak website is now part of Sony lawsuit

A judge has ruled that Sony may unmask the identities of anyone who visited the website of George "GeoHot" Hotz, which contained PlayStation 3 jailbreak tools.