Acknowledgments

Many people have contributed to this book. Peter Salus' suggestion first got me thinking about writing it, and Peter put me in touch with Addison-Wesley. Midway through the writing, Blaine Burnham reviewed the completed portions and the proposed topics, and suggested that they be reorganized in several ways. The current organization of the book grew from his suggestions. Marvin Schaefer reviewed parts of the book with a keen eye, made suggestions that improved many parts, and encouraged me at the end. I thank these three for their contributions.

Many others contributed to this book in various ways. Special thanks to Jim Alves-Foss, Bill Arbaugh, Andrew Arcilla, Rebecca Bace, Belinda Bashore, Terry Brugger, Michael Clifford, Crispin Cowan, Dimitri DeFigueiredo, Jeremy Frank, Robert Fourney, Ron Gove, Jesper Johansson, Calvin Ko, Karl Levitt, Gary McGraw, Alexander Meau, Nasir Memon, Mark Morrissey, Stephen Northcutt, Holly Pang, Sung Park, Ashwini Raina, Brennen Reynolds, Christoph Schuba, Jonathan Shapiro, Clay Shields, Tom Walcott, Dan Watson, and Chris Wee, and to everyone in my computer security classes, who (knowingly or unknowingly) helped me develop and test this material.

The Addison-Wesley folks, Kathleen Billus, Susannah Buzard, Bernie Gaffney, Amy Fleischer, Helen Goldstein, Tom Stone, Asdis Thorsteinsson, and most especially my editor, Peter Gordon, were incredibly patient and helpful, despite fears that this book would never materialize. The fact that it did so is in great measure attributable to their hard work and encouragement. I also thank the production people at Argosy, especially Beatriz Valdés and Craig Kirkpatrick, for their wonderful work.

Dorothy Denning, my advisor in graduate school, guided me through the maze of computer security when I was just beginning. Peter Denning, Barry Leiner, Karl Levitt, Peter Neumann, Marvin Schaefer, Larry Snyder, and several others influenced my approach to the subject. I hope this work reflects in some small way what they gave to me and passes a modicum of it along to my readers.

I also thank my parents, Leonard Bishop and Linda Allen. My father, a writer, gave me some useful tips on writing, which I tried to follow. My mother, a literary agent, helped me understand the process of getting the book published, and supported me throughout.

Finally, I would like to thank my family for their support throughout the writing. Sometimes they wondered if I would ever finish. My wife Holly and our children Steven, David, and Caroline were very patient and understanding and made sure I had time to work on the book. Our oldest daughter Heidi and her husband Mike also provided much love and encouragement and the most wonderful distraction: our grandson�Skyler. To all, my love and gratitude.