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Ken O. Burtch

John Ray is an award-winning developer and security consultant with more than 20 years of programming and administration experience on Unix, Macintosh and Windows systems. He has worked on projects for the FCC, the Ohio State University, Xerox, and the state of Florida, as well as serving as IT director for Blue Cosmos Design, Inc. He has written or contributed to more than 15 books, including Mac OS X Unleashed and Maximum Linux Security.