Anonymous, loose-knit group of 'hacktivists'

Anonymous, which briefly knocked the FBI and Justice Department websites offline in retaliation for the US shutdown of file-sharing site Megaupload, is a shadowy group of international hackers with no central hierarchy.

Online scammers using 'FBI message' to demand money

The FBI warned computer users on Thursday to ignore a fake message, purportedly from its officers, that freezes people's screens and demands that they pay a fine for visiting inappropriate websites.

Senators ask feds to probe requests for passwords

(AP) -- Two U.S. senators are asking Attorney General Eric Holder to investigate whether employers asking for Facebook passwords during job interviews are violating federal law, their offices announced Sunday.

E-books: US tells Apple to cut publishing ties

The US Department of Justice said Friday that tech giant Apple must cut ties with the five publishers with which it was found guilty of running an e-book price-fixing scheme.

'Anonymous' hackers attack Brazilian websites

The computer hacker group Anonymous attacked websites of Brazil's federal district Saturday as well as one belonging to a Brazilian singer to protest the forced closure of Megaupload.com.

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