Apache
Apache Week, includes security alerts.
Debian Linux
Security announce mailing list.
Gentoo Linux
List of security announcements and information on how to sign up to security mailing list.
HP
Subscribe to HP Security Bulletins. Requires registration.
Macromedia
Security alert notification service.
Microsoft
How to subscribe to the (free) e-mail notification service that Microsoft uses to send information about security of Microsoft products.
NetBSD
Security mailing list subscription.
OpenBSD
All OpenBSD mailing lists, including security alerts.
Oracle
Oracle security mailing list. Requires registration.
Red Hat Linux
Notifications and advisories. Security mailing list subscription is on this page.
SGI
SGI® Security Advisory mailing list.
Sun Security Information
Includes subscription instructions for the Sun security-alert mailing list. Subscribe to this list to be alerted when security patches are released. Very low volume.
SuSE Linux
All SuSE Linux mailing lists, including security alerts.
Apache
Apache Week, includes security alerts.
Debian Linux
Security announce mailing list.
Gentoo Linux
List of security announcements and information on how to sign up to security mailing list.
HP
Subscribe to HP Security Bulletins. Requires registration.
Macromedia
Security alert notification service.
Microsoft
How to subscribe to the (free) e-mail notification service that Microsoft uses to send information about security of Microsoft products.
NetBSD
Security mailing list subscription.
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