NEW YORK (Reuters) – One of the world's most-wanted hackers secretly became an FBI informant last year, providing evidence that led to charges on Tuesday against five other suspected leaders of the Anonymous international hacking group. In a major blow to Anonymous, which has attacked the websites of government agencies and companies around the world, U.S

(Reuters) – Even as he urged tens of thousands of Twitter followers to rise up and attack government and law enforcement, the most wanted hacker on the planet was working for the FBI. New Yorker Hector Xavier Monsegur, 28, was exposed on Tuesday as the person behind Sabu, the colorful leader of Lulz Security, a much-feared and talented offshoot of the cyber-activist group Anonymous

A group of expert hackers who attacked governments and corporations around the globe have been arrested after its ringleader — one of the world's most-wanted computer vandals — turned against his comrades and secretly began working as an informant for the FBI months ago, authorities announced Tuesday.

'Hacktivist' group Anonymous continued their weekly cyber-assault on the Federal Bureau of Investigation, nicknamed #F–KFBIFRIDAY, on Feb. 24, using a hack to temporarily replace the homepage of the Dayton, Ohio chapter of private FBI partner InfraGard .