Schou, Corey. Information assurance for the enterprise : a roadmap to information security / Corey Schou, Dan Shoemaker. - New York : McGraw-Hill Irwin, c2007. - xxiii, 480 p. : ill. ; 23 cm. Includes index. Includes bibliographical references. ISBN: 0072255242 (pbk.) Subjects--Topical Terms: Computer security.Data protection.