A second person believed to be a member of LulzSec, a notorious hacker group allegedly involved in several high profile cyber attacks like the Sony Pictures breach last year, was arrested.

Days after a federal grand jury returned an indictment charging Raynaldo Rivera of conspiracy and hacking, he surrendered to the authorities.  If convicted, he could be facing up to 15 years imprisonment.

The indictment accuses Rivera and co-conspirators of using “SQL injection” attack to steal information from Sony Corp’s Sony Pictures’ computer systems in May and June 2011.  They claim to have stolen over 1,000,000 user accounts containing personal information such as names, birth dates, addresses, emails, phone numbers and passwords.

“From a single injection we accessed EVERYTHING,” the hackers said in a statement at the time. “Why do you put such faith in a company that allows itself to become open to these simple attacks?”

He is also accused of aiding the conspirators in posting the confidential information onto LulzSec’s website and announced the intrusion via the hacking group’s Twitter account.
RIvera used the online nicknames “neuron,” “royal” and “wildicv,” and used proxy servers to hide his IP address to avoid being detected.

The indictment also named Cody Kretsinger as Rivera’s co-conspirator who recently pleaded guilty on charges related to the Sony Pictures attack is to be sentenced on October 25.

Back in March, Hector Xavier Monsegur, known in the hacking world as  ‘Sabu’,  leader of LulzSec, was identified as an informer for the FBI and was responsible for providing the authorities evidences that led to the arrest of three parties and two others on conspiracy charges.