Advisories and Patches

Apache HTTP Server Vulnerability Lists - Lists of security problems fixed in released versions of the Apache HTTP Server.
httpd.apache.org/security_report.html

AusCERT - Australian Computer Emergency Response Team. Advisories and tools.
www.auscert.org.au

Bugtraq - Independent source for security vulnerabilities, alerts, and threats.
www.securityfocus.com/archive/1

CERT Coordination Center - 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.
www.cert.org/

Computer Incident Advisory Capability - CIAC publishes security bulletins and virus and hoax information. They provide computer security assistance to US Department of Energy (DOE) sites.
www.ciac.org/ciac/index.html

eVuln - Original source of responsible open source vulnerability research.
evuln.com

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

ISS X-Force - Security alerts, advisories, and alert summaries from ISS.
xforce.iss.net/xforce/alerts

Linux Security Group - Security Advisories, Anti Hackers, programming books and related links.
www.linux-security.us/

Makesecure.com - Network security news, alerts and updates
www.makesecure.com

New Zealand Computer Emergency Readiness Team - Security Alerts and Advisories
www.nzcert.org.nz

Open Source Vulnerability Database - 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.
www.osvdb.org/

Oracle Security Center - Tips, tools, and technologies to keep Oracle products safe, secure, and patched.
www.oracle.com/technology/deploy/security/index.html

Patch Management Forum - Mailing list facilitates networking and information exchange related to patch management: announcements, testing, verification, operations processes, and vulnerabilities.
groups.yahoo.com/group/patchmgmt/

PatchAdvisor - Fee based patch alert service.
www.patchadvisor.com

PatchEasy - Software vendor for patch management.
www.patcheasy.com/

Patchlink Corporation - Software vendor for cross platform patch management.
www.patchlink.com

PatchManagement.org - Mailing list dedicated to the discussion of patch management.
www.patchmanagement.org/

SANS Internet Storm Center - Cooperative cyber threat monitor and alert system. Features daily handler diaries that summarize and analyze new threats and events.
isc.sans.org/

Secunia - Provides security advisories and information about patches, and provides software for vulnerability management.
secunia.com/

Secure Elements - 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.
www.secure-elements.com

St Benard - Software vendor for patch management of operating systems and applications.
www.patches-management.stbernard.com/patches-management.html

Symantec DeepSight Threat Management System - Fee based security alert service that provides early warning of active attacks.
www.symantec.com/Products/enterprise?c=prodinfo&refId=988

VulnWatch - Computer security vulnerability disclosure mailing list
www.vulnwatch.org/

CASESContact - tips and tricks - 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]
casescontact.org/rss_tips.php

Secure Elements C5 Alert Feed - Vulnerability and patch alerts [RSS]
rm.secure-elements.com/rss/seclabs.xml

SecurityFocus: Bugtraq - Full disclosure computer security vulnerabilities feed. [RSS]
www.securityfocus.com/rss/vulnerabilities.xml