TY  - BOOK
AU  - Harper, Allen.
TI  - Gray hat hacking: the ethical hacker's handbook 
SN  - 978-1-260-10841-4 (pbk.)
PY  - 2018///
CY  - New York:  
PB  - McGraw-Hill
KW  - Computer security
KW  - Hackers
N1  - Includes bibliographies and index
ER  -