Fyodor's Exploit World A large and descriptive exploit archive organized by affected operating systems. http://www.insecure.org/sploits.html

K-otik Exploit Archive Archive of current 0day exploits from European and Asian sources. http://www.k-otik.com/exploits/

malware.com malware - malicious software. The examination of security on the internet. http://www.malware.com/

Metasploit Project Exploit/shellcoding generation tool. http://metasploit.org

Basics of Win32 Shatter Attacks Step by step guide to privilege escalation using shatter attacks. http://security.tombom.co.uk/shatter.html

HoobieNet's Security Exploits Collection of security exploits for various operating systems. http://www.hoobie.net/security/exploits/

PacketStorm Large archive of exploits categorized by subject. http://www.packetstormsecurity.org/

Security Tracker Archive of exploits and security advisories http://www.securitytracker.com

Trivia Security - Exploits Archive Latest 0day expoits. http://triviasecurity.net/?id=exploits

The Hacker's Choice Website for various exploits and hacking tools (such as hydra) http://www.thc.org

Phenoelit FX's tools page, concentrates on network device exploits (IOS, etc.) http://phenoelit.de/fr/tools.html

Ethical Hacking Course on how to write and use exploits http://www.infosecinstitute.com/courses/ethical_hacking_training.html

NGS Research Series of papers on how to write exploits and discover vulnerabilities http://www.nextgenss.com/papers.htm

Network Security Archive A collection of mailing list archives dealing with exploits, vulnerability development and hacking http://www.networksecurityarchive.org

Exploit Caller ID The Software Orange Box is a free proof-of-concept tool which can spoof most forms of North American Caller ID. http://artofhacking.com/orange.htm

Toronto 2600 Canada's Largest Hacking and Phreaking meetings. Picking up where the great Hack Canada left the Edmonton 2600 meetings in 2002. http://www.to2600.org