Someone tried to hack into an American nuclear weapons laboratory

Someone tried to hack into an American nuclear weapons lab, and the evidence now points to China. Here is more on the breaking story:

SAN FRANCISCO, Dec. 8 — A cyber attack reported last week by one of the federal government’s nuclear weapons laboratories may have originated in China, according to a confidential memorandum distributed Wednesday to public and private security officials by the Department of Homeland Security.

Security researchers said the memorandum, which was obtained by The New York Times from an executive at a private company, included a list of Web and Internet addresses that were linked to locations in China. However, they noted that such links did not prove that the Chinese government or Chinese citizens were involved in the attacks. In the past, intruders have compromised computers in China and then used them to disguise their true location...

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