CISSP Certififed Information Systems Security Professional by Mike Chapple / James Michael Stewart 3 rd Edition.
Cisco Certified Network Associate security Lab Manual.
Researching Network Attacks And Security Audit Tools.
Cisco Certified Network Associate security ( CCNA) Security Quick Reference, E-Book.
This book is designed to provide the information necessary to be successful on the CISCO IINS.
Python Programming for Hackers and Pentesters.