Subjugating the enemy's army without fighting is the true pinnacle of excellence. Sun Tzu, The Art of War Introduction Information warfare, also known as I-War, IW, C4I, or Cyberwar, has recently become of increasing importance to the military, the intelligence community, and the business world. Such actions are designed to achieve advantages over military or business adversaries.
Information war has no front line.
In sum, the U.S. homeland may no longer provide a sanctuary from outside attack. The sword of information-age technology cuts both ways. The United States wielded it in the Persian Gulf war to blind and demoralize the Iraqi high command. Four years later, the defense establishment is still struggling to define information warfare, and defense experts are still wrangling over basic concepts. Information war is not only a matter of exploiting information technology to best the enemy on the battlefield, say the generals, but of protecting information systems critical to the functioning of U.S. society.