|Vendor Alert Subscriptions
SGI® Security Advisory mailing list.
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.
Security mailing list subscription.
All OpenBSD mailing lists, including security alerts.
Security announce mailing list for Debian Linux.
Apache Week, includes security alerts.
How to subscribe to the (free) e-mail notification service that Microsoft uses to send information about security of Microsoft products.
All SuSE Linux mailing lists, including security alerts.
List of security announcements and information on how to sign up to security mailing list.
Notifications and advisories. Security mailing list subscription is on this page.