HEATKEYS

The Exploit Database - Exploits, Shellcode, Vulnerability reports, 0days, remote exploits, local exploits, security articles, tutorials and more.

SANS Internet Storm Center - A global cooperative cyber threat / internet security monitor and alert system. Featuring daily handler diaries with summarizing and analyzing new threats to networks and internet security events.

Possibly the most detailed CVE security vulnerability source on the internet. You can search for software and hardware vendors, products and exact version numbers of products and easily view security vulnerabilities related to them. You can view ...

SecurityFocus is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide the Internet's largest and most comprehensive database of computer security knowledge and resources to...

Rapid7 provides vulnerability management, compliance and penetration testing solutions for Web application, network and database security.

Juniper Networks offers high-performance network solutions that help service providers, enterprises, and public sector organizations create value and accelerate business success.