Hadnagy, Christopher <br/><br/>
Unmasking the social engineer :  the human element of security / 
Christopher Hadnagy, Paul Ekman 
 - Indianapolis, IN :  John Wiley & Sons,  2014 
 - xxxi, 224 p. :  iil. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781118608579 (pbk.) 1118608577 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Body language<br/>Manipulative behavior<br/>Social engineering