John R. Vacca is an information technology consultant, researcher, professional writer, editor, reviewer and internationally-known, best-selling author based in Pomeroy, Ohio, United States. Since 1982, John has authored, edited and published more than 87 books (some of his most recent published books include): Cloud Computing Security: Foundations and Challenges, 2nd Edition (Publisher: CRC Press (an imprint of Taylor & Francis Group, LLC (November 2, 2020)) Security in the Private Cloud (Publisher: CRC Press (an imprint of Taylor & Francis Group, LLC (September 1, 2016)) Cloud Computing Security: Foundations and Challenges (Publisher: CRC Press (an imprint of Taylor & Francis Group, LLC (August 19, 2016)) Handbook of Sensor Networking: Advanced Technologies and Applications (Publisher: CRC Press (an imprint of Taylor & Francis Group, LLC (January 14, 2015)) as well as, more than 600 articles in the areas of advanced storage, computer security and aerospace technology (copies of articles and books are available upon request). 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 also an independent online book reviewer. Finally, John was one of the security consultants for the MGM movie titled: "AntiTrust," which was released on January 12, 2001. A detailed copy of John's author bio can be viewed at URL: https: //www.johnvacca.

com. John can be reached at: john2164@windstream.net.