Security

Anonymous takes on GM and Big Oil

Google+ starts to raise security concerns

Army uses radar to detect suicide bombers

Julian Assange returns to court to fight extradition

Online shoppers pay more when privacy guaranteed

AntiSec hackers raid U.S. defense contractor

Groupon's privacy policy changes

PC components sometimes preloaded with malware, says official

AntiSec leaks federal docs

Washington Post hack exposes job seekers