Wm. Arthur Conklin, CompTIA Security+, CISSP, is an assistant professor in the Department of Information and Logistics Technology at the University of Houston. Gregory White, CompTIA Security+, CISSP, is an associate professor in the Department of Computer Science at the University of Texas at San Antonio. Greg White (San Antonio, TX), Security+, CISSP, is an Associate Professor in the Department of Computer Science at the University of Texas at San Antonio. Dr. White is the Director of the Center for Infrastructure Assurance and Security at UTSA, and was the author of the first edition of the Security+ All-in-One Exam Guide from McGraw-Hill. Chuck Cothren is a Research Scientist at University of Texas at San Antonio (UTSA) Center for Infrastructure Assurance and Security (CIAS) and currently serves on the Information Security Association's Alamo Chapter Board of Directors. Mr. Cothren has a wide array of security experience including performing controlled penetration testing, network security policies, computer intrusion forensics, and computer training. He is a Certified Information Systems Security Professional (CISSP) and has co-authored other McGraw-Hill/Osborne titles. Mr. Cothren holds a B.S. in Industrial Distribution from Texas A&M University.