According to the response, published on , Sony has discovered a file named "Anonymous" planted on one of the Sony Online Entertainment servers. The file reportedly contains the words "We are Legion," which is the unofficial slogan of the unofficial group.

Anonymous has responded to the indirect accusation by insisting that it is not responsible for the attack. In a on Wednesday, Anonymous said that "No one who is actually associated with our movement would do something that would prompt a massive law enforcement response," and that "Anonymous has never been known to have engaged in credit card theft."

Sony and Anonymous: Not the Best of Friends

It's not far-fetched to suggest that Anonymous may have had something to do with the recent PSN outage--after all, around the same time as the shutdown occurred, Sony and Anonymous were at odds with each other.

In mid-April, Anonymous took issue with Sony's hard-handed treatment of . Anonymous was allegedly in the process of against Sony around the same time as the PSN shutdown.