Resources

This will be a continual work in progress. All links and tools mentioned are for the purpose of ethical hacking, legal penetration testing, and security research. Use at your own risk.  If you know of a resource that is missing please Submit Content and it will be added.

Exploit Research

Corelan Team
Exploit Research Megaprimer
Metasploit Unleashed

Forensic Distributions

CAINE
DEFT Linux

Pen Test Distributions

BackBox
BackTrack
Blackbuntu
GnackTrackPentoo
Samurai WTF 

Security Blogs

Dan Kaminsky's Blog
E-Spohn - Site of Spoonman
Irongeek.com
Krebs on Security
MatthewNeely.com
Metasploit/Rapid7 Blog
Network Security Blog
Room 362 - Rob Fuller (mubix)'s site
Schneier on Security - Bruce Schneier
SecManiac - Dave (ReL1K) Kennedy
Secure Ideas - Kevin Johnson
Securosis - Mike Rothman
spylogic.net - Tom Eston
TaoSecurity - Richard Bejtlich 
Thoughtcrime Labs - Moxie Marlinspike
Uncommon Sense Security - Jack Daniel 

Security Conferences

BlackHat (DC / Europe / Abudhabi / Las Vegas)
DefCon (Las Vegas)
HOPE (Hackers of Planet Earth) (NYC) 2600 sponsored
Information Security Summit (NE Ohio)
notacon (Cleveland)
RSA Conference
ShmooCon (Washington D.C)
ThotCon (Chicago)

Security Configurations for Operation Systems and Handhelds

The Center for Internet Security Benchmarks
NIST General Security Documents
NSA Security Configuration Guides

Security News

Dark Reading
SecurityFocus

Security Podcasts

Exotic Liability
InfoSec Daily
Pauldotcom
Security Justice
Social-Engineer.org Podcast
Social Media Security

Vulnerable Distributions

Damn Vulnerable Linux
Damn Vulnerable Web App
De-ICE
Metasploitable

Tumblr