Hackers claim to take down US tear gas maker site

The "Anonymous" hacking group on Tuesday claimed to have shut down the website of security firm Combined Systems, which it accused of providing the tear gas used in crackdowns on protests.

European Internet campaigners battle ACTA

A controversial international accord billed as a way to beat online piracy has sparked a fightback led by Internet users in ex-communist countries who say the region's past underlines the need to defend freedom.

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.

US shutdown of sharing site draws hacker retaliation

US authorities have shut down one of the largest file-sharing websites and charged seven people with copyright crimes, sparking a retaliatory cyber attack on the FBI and Justice Department websites.

US, British officials victims of Stratfor hack: press

Email addresses and passwords belonging to British, US and NATO officials were posted online following the hacking of a US intelligence analysis firm over Christmas, the Guardian daily reported Monday.

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