Whitman, Michael E., 1964- Principles of information security [Book] / Michael E. Whitman, Herbert J. Mattord. - Fourth Edition. - Boston, MA : Course Technology, c2012. - xxxi, 617 Pages : ill. ; 24 cm. All. ISBN: 9781111138219 1111138214 LCCN: 2010940654 Subjects--Topical Terms: Computer networks--Security measures.Computer security. Dewey Class. No.: 005.8