J.M. (Mike) McConnell, Vice Admiral, USN (Ret), Vice President, Booz, Allen & Hamilton, Inc. and former Director of the National Security Agency (NSA), 1992-1996, sets the stage for this timely book with a perceptive Foreword that states the problem in his first sentence: "The safeguarding of information traveling over wireless technology has quickly become one of the most important and contentious challenges facing today's technology innovators."