Malware's tangled roots
The federal government's computer networks are, collectively, the single largest target in the world.
And within the government, Defense Department systems are the most aggressively pinged the Global Information Grid, the military's primary electronic conduit for secure and unclassified network traffic, gets scanned millions of times a day.
Of even greater concern than the volume of attacks is their origin. Of the attacks not originating from the United States, the attempted intrusions come from China and other countries that are, if not exactly enemies, fierce competitors. Identifying the source of cyberintrusions is a complicated task
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