JOHN R. VACCA is an information technology consultant and internationally known best-selling author based in Pomeroy, Ohio. Since 1982, John has written 62 books and more than 600 articles in the areas of advanced storage, computer security, and aerospace technology. John was also a configuration management specialist, computer specialist, and the computer security official (CSO) for NASA's space station program (Freedom) and the International Space Station Program from 1988 until his retirement from NASA in 1995. In addition, John is an independent online book reviewer. He was also one of the security consultants for the MGM movie AntiTrust, which was released in 2001.

K RUDOLPH is a Certified Information Systems Security Professional (CISSP) with a degree from Johns Hopkins University. She is the primary author of the chapter on security awareness from the Computer Security Handbook, Vol. 5, and is also the author of the chapter on security awareness in the Handbook of Information Security published in 2006 and 2009. K is a named contributor to and participant in the work group that created NIST Special Publication 800-16, Information Technology Security Training Requirements: A Role- and Performance-Based Model. K has presented at conferences that include the Computer Security Institute Security Exchange (CSI SX) Conference in 2008, the New York Cyber Security Conference (2006 and 2007), the Annual CSI Computer Security Conferences (2005, 2007), and Information Assurance and Security Conferences held by FISSEA, FIAC, and eGOV. In March 2006, K was honored by the Federal Information Systems Security Educators' Association (FISSEA) as the Security Educator of the Year.