The world is peering into the terrifying chasm of a new kind of conflict, where computers take over from missiles and global damnation comes at the click of a button. Cyber-warfare: the kind that brings nations to their knees, switching off energy lifelines, crippling the financial markets, starving leaders of authority. An old Russian nuclear reactor goes into Chernobyl-style meltdown, while on the other side of the world, the US Eastern Seabord...