A "top-class" hacker based in China was behind the recent attack on popular websites, Nate and Cyworld, and theft of personal information of some 35 million users in the cyber assault, police said Thursday.
Announcing the result of an initial investigation of the case, police said the unknown hacker implanted malicious codes into update files of anti-virus programs installed in the computers of SK Communications, the operator of the two sites, and then gained an ID and password to access the database of user information in late July.
Announcing the result of an initial investigation of the case, police said the unknown hacker implanted malicious codes into update files of anti-virus programs installed in the computers of SK Communications, the operator of the two sites, and then gained an ID and password to access the database of user information in late July.
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