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Hackers breached the Sony Pictures website and stole personal data including the names, addresses, phone numbers and email addresses of about 35,000 customers. The data was then posted online. (CBC)

A 25-year-old hacker with the group known as LulzSec was sentenced Thursday to a year in prison and ordered to pay $605,663 in restitution for an attack on Sony Pictures computers that began in late May 2011.

Cody Andrew Kretsinger, who went by the online nickname "recursion," was also sentenced to a year of home detention and 1,000 hours of community service.

The U.S. Attorney's Office in Los Angeles said Kretsinger pleaded guilty last April to the attack, in which hackers breached the Sony Pictures website, stole personal data including the names, addresses, phone numbers and email addresses of tens of thousands of Sony customers and distributed it over the internet.

Kretsinger, an Arizona college student, was arrested in September 2011.

Raynaldo Rivera, a 20-year-old who also pleaded guilty to the attack in October, is to be sentenced May 16.

The Sony Pictures attack came on the heels of an earlier data breach that compromised personal information from more than 100 million users of Sony's PlayStation Network and its Qriocity entertainment service.