Mark Ciampa is Assistant Professor of Computer Information Systems at Western Kentucky University in Bowling Green, Kentucky. Previously, he served as Associate Professor and Director of Academic Computing for 20 years at Volunteer State Community College in Gallatin, Tennessee. Dr. Ciampa has worked in the IT industry as a computer consultant for the U.S. Postal Service, the Tennessee Municipal Technical Advisory Service, and the University of Tennessee. He is also the author of many Cengage/Course Technology books, including Security+ Guide to Network Security Fundamentals; CWNA Guide to Wireless LANs, 3e; CWSP Guide to Wireless Security; Guide to Wireless Communications; and Networking BASICS. He holds a PhD in digital communication systems from Indiana State University.