The cyberwar discussion is mired in confusion. What defines an act of cyberwar? Is it a sophisticated hack from China or Russia that shuts down the U.S. power grid? Is it a rogue group like Anonymous breaking into government sites? Is it all the spying China has been doing for several years now?

And what about Stuxnet and Duqu? Were those creations an act of war by the U.S. and Israel against Iran? Does a cyberwar involve government and military sites only or does it include the networks of private enterprise as well?

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