Top 3 Hacktivist Attacks of 2011

Anonymous avenged reported plans to expose details about its members by publishing tens of thousands of often-revealing HBGary emails, including a plan to smear whistleblower site WikiLeaks (founder Julian Assange is pictured) and its supporters, apparently at the behest of the U.S. Chamber of Commerce and Bank of America.

Over the Memorial Day weekend, intruders compromised the website of PBS NewsHour to post a fake story that rapper Tupac Shakur was still alive. In addition, they published the usernames and passwords to staff at the public TV station, as well as those working at other networks affiliated with PBS. The attack defined LulzSec as a force to be reckoned with and was again orchestrated out of empathy for WikiLeaks, which LulzSec believed was unfairly portrayed in a PBS documentary.

Just days after the PBS compromise and angered over Sony filing a lawsuit against an alleged copyright infringer, LulzSec (accused member Jake Davis is pictured) exploited a SQL injection vulnerability to gain access to internal Sony networks and websites. The attack yielded the account information belonging to more than one million users. LulzSec would hit several more targets, including the CIA and Senate, before calling it quits at the end of June.

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