Brotherston, Lee. <br/><br/>
Defensive security handbook :  best practices for securing infrastructure / 
Lee Brotherston and Amanda Berlin. 
 - Sebastopol, CA :  O'Reilly Media, Inc.,  c2017. 
 - xx, 261 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781491960387 (pbk.) 1491960388 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures--United States.<br/>Computer security--Planning.--United States<br/>Computer security--Management.--United States<br/>Information technology--Security measures.
<br/><br/><label>LC Class. No.: </label>TP393  / B874 2017 
<br/><br/><label>Dewey Class. No.: </label>005.8  / BRO 2017