Offensive Shellcode from Scratch
Rishalin Pillay
Quick Start Guide to Penetration Testing
Sagar Rahalkar
Electronics for Beginners
Jonathan Bartlett
Asterisk: The Definitive Guide
Jim Van Meggelen & Russell Bryant & Leif Madsen
The Hardware Hacking Handbook
Jasper van Woudenberg & Colin O'Flynn
Linux Firewalls
Michael Rash
Absolute FreeBSD
Michael Warren Lucas
Социальная инженерия и этичный хакинг на практике
Джо Грей
Practical Linux Forensics
Bruce Nikkel
How Cybersecurity Really Works
Sam Grubb
C++ Crash Course
Josh Lospinoso
How Linux Works, 3rd Edition
Brian Ward
Practical Social Engineering
Joe Gray