Zalewski, Michal. <br/><br/>
Silence on the wire  a field guide to passive reconnaissance and indirect attacks /  [electronic resource] : 
Michal Zalewski. 
 - San Francisco :  No Starch Press,  c2005. 
 - xxv, 281 p. :  ill. 
<br/><br/>Includes bibliographic references (p. [263]-268) and index. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2009. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures.<br/>Computer security.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TK5105.59  / .Z35 2005eb 
<br/><br/><label>Dewey Class. No.: </label>005.8