TY  - BOOK
AU  - Harper, Allen.
TI  - Gray hat hacking:/ Allen Harper "[and others]:  The ethical hacker's handbook
SN  - 978-93-90
AV  - QA76.9 .A25 G73 2018 C4 
PY  - 2018///
CY  - Haryana
PB  - McGraw
ER  -