Attrition.org Attrition is an eclectic collection of internet and computer security resources. http://attrition.org/ More Info
Cult of the Dead Cow Offers blog, team background, tools and BackOrifice downloads, and news archive. http://www.cultdeadcow.com/ More Info
Nomad Mobile Research Centre Hacker lab engaged in vulnerabilities research. Security papers, full disclosure advisories and current projects. Also features a FAQ on hacking techniques. http://www.nmrc.org/ More Info
Xfocus Organization dedicated to the research and demonstration of vulnerabilities in network services and communication security. Offers papers, security tools, exploit code, advisories and a discussion forum. http://www.xfocus.org/ More Info
