The U.S. Military's point man for global network operations says that a total overhaul of the government's classified and unclassified information networks may be necessary to ward off legions of hackers and adequately protect the military from crippling attacks in future conflicts.

The Department of Defense will soon begin evaluating the security of more than 1,500 computer networks used by the DOD and the four branches of the armed services. The DOD may propose a new network architecture that emphasizes data security, according to Air Force Lt. Gen. Charles Croom, commander of the Joint Task Force-Global Network Operations, which runs all the military's networks.

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