CompTIA Network+ Certification Guide
Glen D. Singh
The Book of GNS3: Build Virtual Network Labs Using Cisco, Juniper, ...
jason c. neumann
Linux Firewalls: Attack Detection and Response
Michael Rash
Unauthorised Access: Physical Penetration Testing for IT Security ...
Wil Allsopp
Think Like a Programmer: An Introduction to Creative Problem ...
V. Anton Spraul
Cryptography Engineering: Design Principles and Practical Applications
Niels Ferguson & Bruce Schneier & Tadayoshi Kohno
The Web Application Hacker's Handbook: Finding and Exploiting ...
Dafydd Stuttard & Marcus Pinto