The Book of GNS3: Build Virtual Network Labs Using Cisco, Juniper, ...
jason c. neumann
IOS Application Security: The Definitive Guide for Hackers and ...
David Thiel
MCSA Windows Server® 2012 R2 Installation and Configuration ...
William Panek
The Shellcoder's Handbook: Discovering and Exploiting Security ...
Jack Koziol & Chris Anley & John Heasman
The Web Application Hacker's Handbook: Finding and Exploiting ...
Dafydd Stuttard & Marcus Pinto
Network Security Bible
Eric Cole & Ronald L. Krutz