Ethical Hacking
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Cyber Security and Network Security
Sabyasachi Pramanik & Debabrata Samanta & M. Vinay & Abhijit Guha
Iptables Tutorial 1.2.2
Oskar Andreasson
GitHub For Dummies
Sarah Guthals & Phil Haack
The Cybersecurity Self-Help Guide
ARUN. SONI
Cross-Site Scripting Attacks: Classification, Attack, and Countermeasures
B. B. Gupta and Pooja Chaudhary