TY  - BOOK
AU  - Steven, Michael
TI  - Cyber security: ultimate beginners guide to learn the basics and effective methods of cyber security (an essential guide to ethical hacking for beginners)
SN  - B07XGCD6L5 (ASIN)
U1  - 005.8 
PY  - 2019///
CY  - 
PB  - 
KW  - Computer security
KW  - Ethical hacking
KW  - Computer networks--Security measures
ER  -