A hacker group called Lizard Squad claimed responsibility for the outage.

The hacker group Lulz Security claimed responsibility for the attack.

Get yourself connected: a demonstrator from the hacker group Anonymous, San Francisco, August 2011.

Responsibility for the attack has been claimed by an apparent hacker group named Lizard Squad.

YamaTough apparently obtained the code from a hacker group calling itself the Lords of Dharmaraja.

A hacker group sought to claim responsibility, but the company said the outage was its fault.

The report ties a hacker group in Shanghai to attacks on governments, contractors and research companies.

Spoofed Results In 2014, one pro-Russian hacker group tried a more fine-tuned approach to political web-hacking.

Later, LoD was to subsume the personnel of the hacker group "Tribunal of Knowledge."

The balls are actually prototypes for a real commercial product, and were made by hacker group Gearbox.

In the mid-'90s, a hacker group called the Hick Crew found the photo circulating on pornographic Usenet groups.

The same hacker group that claimed responsibility for the Sony breach, Lulz Security, said it targeted the CIA website.

This is not the first time the PlayStation Network has been subject to an attack from a hacker group.

Fox.com, another Fox Entertainment Group website, was the target of an attack by hacker group Lulz Security in May.

The hacker group that broke into Sony's computer systems had threatened attacks on theaters that planned to show it.

In an Azeri-language message on the affected websites, the little-known hacker group demanded President Ilham Aliyev cancel the event altogether.