Article updated: 2/19/2013 12:49 PM

No central agency oversees, inspects cruise ships

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The cruise ship Carnival Triumph is moored at a dock in Mobile, Ala., Friday, Feb. 15, 2013.

Associated Press

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Cyberattacks that stole massive amounts of information from military contractors, energy companies and other key industries in the U.S. and elsewhere have been traced to the doorstep of a Chinese military unit, a U.S. security firm alleged Tuesday. China's Foreign Ministry dismissed the report as “groundless,” and the Defense Ministry denied any involvement in hacking attacks.