Even in the days of George W. Bush, the United States could wreak havoc in Baghdad and Fallujah while the Iraqis had no means of retaliating against San Francisco or Chicago. But if the United States now attacks a country possessing even moderate cyberwarfare capabilities, the war could be brought to California or Illinois within minutes. Malwares and logic bombs could stop air traffic in Dallas, cause trains to collide in Philadelphia, and bring down the electric grid in Michigan.
