A group of hackers temporarily wiped clean CBS.com, in what seemed to be further retaliation for the government shutdown last week of file-sharing site Megaupload.com.
Several Twitter accounts linked to Anonymous, a loosely organized collective of hackers, posted messages claiming responsibility for the hack, some of them mentioning "#OpMegaUpload," shorthand for Operation Mega Upload. At least one suggested Fox would be targeted next.

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