- Monthly security tips and alert mailing list. Pay subscription service provides information, tips and developments to protect your Internet computer security
- Searchable real-time updated archive of major security lists and newsgroups, including Cert, Securiteam, Linuxsecurity, VulnWatch, Full-Disclosure, Bugtraq, Incidents, Securityfocus, and several Usenet groups.
- The INFOCON mailing list is devoted to the discussion of cyberthreats and all aspects of information operations, including offensive and defensive information warfare, information assurance, psychological operations, electronic warfare, ....
- Microsoft techNet Security - Product Security Notification. Instructions on how to join the mailing list for Product Security bulletins notification.
- Dedicated to the history of the early 'Security Digest' archives, from the Unix 'Security Mailing List', through the Zardoz 'Security Digest' to the Core 'Security List'.