Whitman, Michael E. <br/><br/>
Principles of information security / 
Michael E. Whitman, Herbert J. Mattord 
 - 3rd ed. 
 - Boston, Mass. :  Thomson Course Technology,  c2009 
 - xxvi, 598 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781423901778 (pbk) 1423901770 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures<br/>Computer security<br/>Information technology--Security measures