Stallings, William.  <br/><br/>
Computer security   : principles and practice 

 - 4th. Ed. 
 - New Delhi  Pearson  2018 
 - 800p. 
<br/><br/><label>ISBN: </label>9789353438869 
<br/><br/><label>Dewey Class. No.: </label>005.8  / STA/COM