The Complete Metasploit Guide
Sagar Rahalkar
NGINX Cookbook
Derek Dejonghe
Cyber Security and Network Security
Sabyasachi Pramanik & Debabrata Samanta & M. Vinay & Abhijit Guha
Pluggable Authentication Modules
Kenneth Geisshirt
The Cybersecurity Self-Help Guide
ARUN. SONI