(bbc.co.uk) The suspected leader of the hacking group Lulzsec has pleaded guilty to carrying out high profile attacks on several companies.
Hector Xavier Monsegur had been charged with conspiracy to engage in computer hacking according to unsealed court papers filed in Manhattan.
Reuters reports that the charges were filed via “a criminal information”.
The news agency says that suggests that the suspect – nicknamed Sabu – had co-operated with the government.
US law enforcement officers have said a total of five people were either under arrest or being sought.
Irish police added that they have arrested one man in connection with Lulzsec’s activities and are holding him at a south Dublin police station.
The Press Association reported that police officers in Britain have also been involved in the crackdown.