Whitman, Micheal E. Principles of information security / by Michael E. Whitman and Herbert J. Mattord - 5th ed. - New Delhi : Cengage Learning, 2015. - xxviii,692p.: ills.; 25cm. Includes index and glossary. ISBN: 9788131528259 Rs.599.00 Subjects--Topical Terms: DATA SECURITY Dewey Class. No.: 005.8 / WHI/P