" Understanding the Linux Kernel ." An easy description of the Linux architecture and a true handbook for every writer of kernel exploits. Available at the following address: http://kernelbook. sourceforge .net
" Common Security Exploit and Vulnerability Matrix v2.0 ." An excellent table listing all recently- detected holes and vulnerabilities. I recommend that hackers print it to use as a poster. Available at http://www.tripwire.com/files/literature/poster/Tripwire_exploit_poster.pdf .
Cyber Security Bulletins . Security bulletins with brief descriptions of all recently detected vulnerabilities. Available at http://www.us-cert.gov/cas/bulletins/ .
iSEC Security Research . A site of an efficient hacking group that has detected lots of interesting vulnerabilities. Visit the following address: http://www.isec.pl/ .
Tiger Team. Another hacker site containing lots of interesting materials: http://tigerteam.se/ .