Its mandate is to conduct full spectrum operationsto to defend U.S. military networks and attack other countries. In May, the Pentagon established a new Cyber Command (Cybercom), headed by General Keith Alexander, director of the National Security Agency (NSA). After the earth, sea, air and space, the war came in the fifth domain: cyberspace. Barack Obama said the U.S. digital infrastructure is a national strategic asset and designates Howard Schmidt, former security chief at Microsoft, as the cybersecurity czar. How and by what rules, is secret.
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