VPN Dynamics Inc. Check Point/Nokia Security certification and Hands-on Hacking training throughout the united States. We pride ourselves an official Check Point Authorized Training Center.
Linux Kernel Hacking A resource for people wanting to get started with linux kernel programming. Aims to centralize all relevant information on the subject.
Hacking Linux The ultimate resource for securing your linux workstation/server.
The NTLDR Hacking Guide How to use NTLDR to boot Windows NT, Windows 95, Linux and old versions of DOS.
Lindows CEO Funds Xbox Hacking Contest Michael Robertson, Lindows CEO, reveals himself as formerly anonymous donor of $200,000 prize money in contest to translate Linux OS to Microsoft's Xbox video game console. [CNET News.com]
New Order Directory of cryptography, general security information and hacking sites.
Hurd hacking guide Offers guidelines on design and implementation of GNU Hurd.
Instant Hacking By Magnus Lie Hetland. Minimal, concise, general introduction to programming, via Python, moves very quickly. English, Italian, Polish, Japanese, Serbian, Korean.