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About the Author
John Vacca is an information technology consultant, researcher, professional writer, editor, reviewer and internationally-known, best-selling author based in Pomeroy, Ohio. Since 1982, John has authored/edited 80 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. A detailed copy of John’s author bio can be viewed at URL: http://www.johnvacca.com. John can be reached at: firstname.lastname@example.org.