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KCAL News Reporter Dave Bryan speaks with Dr. Cliff Neuman, USC Cyber Security Expert, on the latest string of cyber attacks from Chinese hackers that have infiltrated systems containing information on dozens of secret U.S. weapons plans. Dr. Neuman explains that attacks are taking place on multiple levels that could potentially disable critical systems, compromising U.S. National Security. Loss of weapon technology to China is narrowing the U.S. technological advantage.