Whitman, Michael E. Principles of information security / Information systems Michael E. Whitman and Herbert J. - 4th ed. - London : Thomas course Technology, 2005. - 576 p. : ill; 23 cm Includes glossary and index. ISBN: 0619216255 Subjects--Topical Terms: Management information systems. LC Class. No.: TK105.59 / .W55 2005