Key members of the hacking collective known as LulzSec were arrested Tuesday morning, a move authorities are calling a “devastating to the organization.” According to an exclusive report by LulzSec’s alleged ringleader, Hector Xavier Monsegur of New York City, helped authorities with the arrest.

Tuesday’s arrests included five LulzSec members: two from London, two from Ireland, and one in Chicago. LulzSec, also known as Lulz Security, is an offshoot of the Anonymous hackers group. Together the two groups have been blamed for hacking into the CIA, FBI, Sony, defense contractors, and the government websites of Great Britain and Mexico.

According to Monsegur has been cooperating with law enforcement since June 2011 when the FBI allegedly unmasked him. Monsegur’s hacker alias is “Sabu” and he is an unemployed 28-year-old father of two who lives in New York’s Lower East Side, according to the report. reports that in August Monsegur pleaded guilty to multiple counts of hacking. Details of the arrests and information about Monsegur’s cooperation with authorities are expected to be unsealed in Southern District Court. identified the five LulzSec members arrested as: “Ryan Ackroyd, aka “Kayla” and Jake Davis, aka “Topiary,” both of London; Darren Martyn, aka “pwnsauce” and Donncha O’Cearrbhail, aka “palladium,” both of Ireland; and Jeremy Hammond aka “Anarchaos,” of Chicago.”

The FBI has not issued an official statement on Tuesday’s arrests. Last September the FBI arrested a suspected LulzSec member Cody Kretsinger, 23, of Phoenix, Arizona. He was charged with “with conspiracy and the unauthorized impairment of a protected computer.” The FBI alleged Kretsinger was responsible in part of the hacking of computers owned by Sony Pictures Entertainment.