Support and communication surrounding Netscreen products for medium to advanced administrators.

Computer Forensics and incident response mailing list

Security training reviews, daily updates via newsletter available.

List pertiaining to the use of the metasploit exploitation framework

Mailing lists pertaining to FreeBSD. freebsd-security and freebsd-security-notifications are sources of official FreeBSD specific notifications.

Security Mailing List Archive, including Nmap-Hackers, Nmap-Dev, Bugtraq, Full Disclosure, Penetration Testing, Vulnerability Development, Security Basics, Firewall Wizards, VulnWatch, VulnDiscuss, Incidents, Info Security News, Security Jobs, IDS Focus, Web App Security, MS Sec Notification, Honeypots, Linux Kernel, Risks, Politech

SecurityFocus is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide the Internet's largest and most comprehensive database of computer security knowledge and resources to the public. It also hosts the BUGTRAQ mailing list.

Focuses on Linux and Redhat related security information specifically the Linux-security and Redhat-watch-list lists.

IWS is an online resource that aims to stimulate debate about a range of subjects from information security to information operations and e-commerce.

An searchable real-time updated archive of all important security-lists and newsgroups: Cert, Securiteam, Linuxsecurity, VulnWatch, Full-Disclosure, Bugtraq, Incidents, Securityfocus (all lists), comp.os.linux.security, comp.security.misc, comp.security.unix, ...