Free Penetration Testing Resources
If you are taking the PWK/OSCP, then you are expected to aid your studies with additional resources. Check out the following...
NIST - Technical Guide to Information Security Testing and Assessment
ISECOM - Open Source Security Testing Methodology Manual (OSSTMM)
PCI Security Standards Council - Penetration Testing Guidance
Penetration Testing Execution Standard
Penetration Testing Framework
SANS Penetration Testing Resources
Cybrary.it has many free videos and resources on many information technology topics from networking to linux and virtualization and lots more!
Cybrary.it - Penetration Testing and Ethical Hacking
Cybrary.it - Advanced Penetration Testing
Slides from Cybrary.it - Advanced Penetration Testing
SecurityTube.net - Like YouTube, but Information Security!
IronGeek.com - Adrian Crenshaw has been recording Information Security conferences forever and uploading the videos to his website and YouTube Channel. Thanks!
Open Security Training
Offensive Security Metasploit Unleashed
Open Web Application Security Project (OWASP) Testing Guide
Penetration Testing Resources that cost CashMoney
If you have the funds available, I recommend purchasing the following:
Penetration Testing: A Hands-On Introduction to Hacking by Georgia Weidman. I purchased this book, because I had the pleasure of seeing Georgia Weidman present the SmartPhone Pentest Framework (SPF) at AtlSecCon 2013. She also teaches the Advanced Penetration Testing Course at Cybrary.it. She knows #infosec...
*** I'll keep adding things as I find them. Last Updated: October 13, 2015 ***