Lists of security problems fixed in released versions of the Apache HTTP Server.

Australian Computer Emergency Response Team. Advisories and tools.

Independent source for security vulnerabilities, alerts, and threats.

CASEScontact is an information security site providing tips and tricks for home users and SMEs (Small and Medium-Sized Enterprises) for FREE (How to protect against threats, vulnerabilities, privacy, encryption, viruses, worms, Trojans, spyware etc.). [RSS]

Center for Education and Research in Information Assurance and Security. University center for multidisciplinary research and education in areas of information security.

Studies Internet security vulnerabilities, provides incident response services to sites that have been the victims of attack, publishes a variety of security alerts, researches security and survivability in wide-area-networked computing, and develops information to improve site security.

CIAC publishes security bulletins and virus and hoax information. They provide computer security assistance to US Department of Energy (DOE) sites.

Original source of responsible open source vulnerability research.

Provides security advisories and real-time information about vulnerabilities, exploits, and threats. Sponsor of the Common Vulnerability Scoring System (CVSS).

Security alerts, advisories, and alert summaries from ISS.

Security Advisories, Anti Hackers, programming books and related links.

Network security news, alerts and updates

Security Alerts and Advisories

Searchable database of vulnerabilities. Offers data for download in XML format as well as via website. Details of how to submit new vulnerabilities, database schema and FAQ.

Tips, tools, and technologies to keep Oracle products safe, secure, and patched.

Mailing list facilitates networking and information exchange related to patch management: announcements, testing, verification, operations processes, and vulnerabilities.

Fee based patch alert service.

Software vendor for patch management.

Software vendor for cross platform patch management.

Mailing list dedicated to the discussion of patch management.

Cooperative cyber threat monitor and alert system. Features daily handler diaries that summarize and analyze new threats and events.

Provides security advisories and information about patches, and provides software for vulnerability management.

Software vendor for IS technical control auditing, vulnerability management, and compliance. Provides advisories via XML and RSS, and fully supports OVAL and XCDDF XML standards for compliance and vulnerability functions.

Vulnerability and patch alerts [RSS]

Full disclosure computer security vulnerabilities feed. [RSS]