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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...

Beyond Security will help you expose your security holes and will show you what the bad guys already know about your hosts and network. Use our Automated Scanning service to perform a full security audit of your site, and find the latest security new...

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 ...

Windows IT Pro is the leading independent community for IT professionals deploying Microsoft Windows server and client applications and technologies.

Attrition is an eclectic collection of general internet and computer security resources.

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Comprehensive CVE vulnerability database that integrates all U.S. Government publicly available vulnerability resources. Repository of information technology security content automation.

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Information Security News, Files, Tools, Exploits, Advisories and Whitepapers

Explore how the principles behind open source--collaboration, transparency, and rapid prototyping--are proven catalysts for innovation.