Holden, Greg <br/><br/>
Guide to network defense and countermeasures / Greg Holden 

 - Boston, MA:   Course technology,   2003 
 - xxi, 527 p.:   ill.;   24 cm. 
<br/><br/> Includes glossary and index 
<br/><br/><label>ISBN: </label>0619131241 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures