Hector Xavier Monsegur, a computer hacker known as ‘Sabu’,  a former member of Lulzsec and Anonymous, leaves Federal Court in New York after having been granted a sentence of time served for a string of serious hacking charges. Photograph: EPA/Andrew Gombert

A leading hacker who authorities say helped disrupt at least 300 cyber attacks after agreeing to co-operate with the FBI was sentenced to time serve(...)

A federal grand jury in the US has indicted Matthew Keys, deputy social media editor at Reuters.com, for conspiring with members of the Anonym(...)