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N. Korea behind nuke power plant data leakage: investigators

All Headlines 15:17 March 17, 2015

SEOUL, March 17 (Yonhap) -- North Korea is believed to be linked to a series of recent data leaks from South Korea's nuclear power plants, investigators said Tuesday.

Late last year, an unidentified hacker posted blueprints of nuclear power plants and threatened to destroy the facilities while demanding they be shutdown. Last week, the hacker posted more files on Twitter that included documents concerning the country's indigenous advanced power reactor 1400, while demanding money.

Announcing the interim results of its probe into the high-profile case, a special investigation team said the series of incidents "is believed to have been caused by an (unidentified) group of North Korean hackers who "aimed at causing social unrest and agitating the people."

Pointing out that the compromised data "are far from critical," the investigators said the hackers stole it through hacking e-mails and online communities former and current officials of the Korea Hydro and Nuclear Power Co. (KHNP) have used instead of directly infiltrating the operator's network.

"We've learned that the malicious code used in the e-mail attack in December was similar to what North Korean hackers usually employ," an official of the investigation team said.

"Multiple Internet protocol addresses used for the attacks were found to be based in North Korea," he said, explaining the reasons for its conclusion.

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