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A member of the online hacker group Anonymous has been sentenced to 36 months probation and ordered to pay $110,932.71 in restitution for a Wisconsin cyberattack on a subsidiary of Koch Industries.

Christopher Michael Sudlik, 22, of St. Louis was also ordered Wednesday to serve 60 hours of community service for an attack against the Angel Soft bathroom tissue website in February and March of 2011, according to a news release from the U.S. Department of Justice.

Sudlik admitted that he and other Anonymous members flooded the Angel Soft server in Green Bay with traffic that disrupted its website, according to the release issued Wednesday by the U.S. attorney's office, Eastern District of Wisconsin, Green Bay Division.

Koch Industries suffered several hundred thousand dollars in losses as a result of the continuous attacks on several of its network servers over a three-day span.

Koch Industries Inc. is run by billionaire industrialists Charles and David Koch, who have been supporters of Gov. Scott Walker.

In sentencing Sudlik, Chief Eastern District Judge William C. Griesbach admonished him for "crossing the line" from appropriate political speech to an illegal and costly cyberattack, according to the release.