Grubb, Sam. <br/><br/>
How cybersecurity really works :  a hands-on guide for total beginners / 

 - San Francisco :   No Starch Press,   c2021. 
 - xviii, 193 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781718501287 
<br/><br/><label>LC Class. No.: </label>25483 
<br/><br/><label>Dewey Class. No.: </label>005.8  / GRU