Three British members belonging to hacktivist group LulzSec have pleaded guilty to carrying out cyber attacks on News International, NHS and Sony.
Ryan Ackroyd (26) from Mexborough admitted plotting to hack into several websites, including 20th Century Fox, during an eight-month campaign two years ago.
He pleaded guilty to one computer hacking-related charge alongside Jake Davis (20) and Mustafa al-Bassam (18).
Shetland resident Davis and Bassam, of Peckham, admitted conspiring to bring down the websites of law enforcement authorities in Britain and the US between February 1 and September 2, 2011.
They also pleaded guilty to attempting to break into computers run by Sony, 20th Century Fox, the NHS and News International.
The three men will be sentenced on May 14 alongside a fourth hacker, Ryan Cleary (21), of Essex. Clearly earlier admitted to six connected charges.
Ackroyd, Davis and Bassam were arrested when the group's alleged leader, Hector Monsegur, was aprehended by the FBI and turned informant.
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