The potential threat of a large-scale cyber-attack may be overstated, writes Evgeny Morozov. The U.S. government will spend $55 billion on information security by 2015, according to a Market Research Media estimate, but some say such fears are a distraction from more critical issues. "[The notion that] we need to develop an offensive capability in order to defend against an attack that isn't coming -- it's the old 'bomber gap' all over again: a flimsy excuse to militarize," says network security professional Markus Ranum.

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