Maiwald, Eric. <br/><br/>
Network security :  a beginner's guide / 
Eric Maiwald. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  2013. 
 - xxii, 311 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780071795708 (pbk. : alk. paper)  RM107.84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.