Siebel Systems, Inc.[ http://oracle.com ]
Products include suite of sales and marketing software with training and support available. Highlights, news and events, concerning company and available software, are published.

The Apache Software Foundation[ http://apache.org ]
Supports the development of a number of open-source software projects, including the apache webserver. Includes license information, latest news, and project sites.

CERT Coordination Center (CERT/CC)[ http://cert.org ]
Center of Internet security expertise, located in the Software Engineering Institute to protect and predict computer security.

Security Focus[ http://securityfocus.com ]
News and editorials on security related topics, along with a database of security knowledge.

US-CERT[ http://us-cert.gov ]
Established in 2003 to protect the nation's Internet infrastructure, US-CERT coordinates defense against and responses to cyber attacks across the nation.

Secunia[ http://secunia.com ]
Provides security advisories and information about patches, and provides software for vulnerability management.

The SANS Institute[ http://sans.org ]
Offer computer security research, training and information.

Frsirt[ http://frsirt.com ]
Centre privé spécialisé en sécurité informatique. Propose des services de veille de vulnérabilités. Montpellier, Hérault (34), France.

Open Source Vulnerability Database[ http://osvdb.org ]
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.

AusCERT[ http://auscert.org.au ]
Australian Computer Emergency Response Team. Advisories and tools.

Internet Security Systems[ http://iss.net ]
A pioneer and leading supplier of adaptive security management systems, providing innovative software that enables maximum protection from network security risks.

VulnWatch[ http://vulnwatch.org ]
Computer security vulnerability disclosure mailing list

Patchlink Corporation[ http://patchlink.com ]
Software vendor for cross platform patch management.

Secure Elements[ http://secure-elements.com ]
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.

PatchManagement.org[ http://patchmanagement.org ]
Mailing list dedicated to the discussion of patch management.

Makesecure.com[ http://makesecure.com ]
Network security news, alerts and updates

LINUX SECURITY GROUP[ http://linux-security.us ]
Linux Security Group provides high quality support for Linux by acting as a resource to match companies seeking Linux support including everything from system administration to software integration with other operating systems with qualified technicians who can help them. We will be expanding our support capabilities, and provide more services to our existing Linux customers.