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Pentagon Searches for ‘Digital DNA’ to Identify Hackers: Via Danger Room.

One of the trickiest problems in cyber security is trying to figure who’s really behind an attack. Darpa, the Pentagon agency that created the Internet, is trying to fix that, with a new effort to develop the “cyber equivalent of fingerprints or DNA” that can identify even the best-cloaked hackers.

The recent malware hit on Google and other U.S. tech firms showed once again just how hard it is to pin a network strike on a particular person or group. Engineers are pretty sure the attack came from China, and it sure was sophisticated enough to come from a state military like China’s. But it’s hard to say conclusively that the People’s Liberation Army launched the strike.

It’s the kind of problem Darpa will try to solve with its “Cyber Genome” project.

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