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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...

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 ...

Security mailing list archive for the Nmap lists, Bugtraq, Full Disclosure, Security Basics, Pen-test, and dozens more. Search capabilities and RSS feeds with smart excerpts are available

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

Security-Database.com is a free web service solution that offer real-time vulnerabilities alerts and notifications.

Internet Security Systems Home

BestReviewDomain - best review and free analytic for webmasters that gathers detailed information on your domain : traffic details, Technology language, whois, ranking info, domain backlinks,domain IP, DNS record, optimization, network tools, seo too...

Alexa provides information about websites including Top Sites, Internet Traffic Stats and Metrics, Related Links, Online Reviews Contact Information and Search Analytics for SEM and SEO optimization. The Alexa Toolbar is a browser add-on that shows d...

Entertainment news about the biggest celebrities, TV shows and movies, updated around the clock.

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Diigo is a powerful research tool and a knowledge-sharing community

Offers bookmark synchronization, search enhancement and web discovery based on sites bookmarked by users.