About the Editor

John Vacca is an information technology consultant and best selling author based in Pomeroy, Ohio. Since 1982, John has authored 65 books. Some of his most recent books include: Computer And Information Security Handbook (Morgan Kaufman 2009); Biometric Technologies and Verification Systems (Elsevier 2007); Practical Internet Security (Springer 2006); Optical Networking Best Practices Handbook (Wiley-Interscience 2006); Guide to Wireless Network Security (Springer 2006); Computer Forensics: Computer Crime Scene Investigation, 2nd Edition (Charles River Media 2005); Firewalls: Jumpstart for Network And Systems Administrators (Elsevier 2004); Public Key Infrastructure: Building Trusted Applications and Web Services (Auerbach 2004); Identity Theft (Prentice HallPTR 2002); The World’s 20 Greatest Unsolved Problems (Pearson Education 2004); 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 early retirement from NASA in 1995.