ITSecurity

IT Security certifications

1. CISSP - Certified Information Services Security Professional

2. OSSTMM - OPSA

IT security tools

1. Helix - a live Linux distribution oriented to Computer Forensics

2. BackTrack

3. Brutus

4. HammerOfGod tools

IT security sites

1. FOSDEM - Free and Open Source Software Developers' European Meeting

2. PacketStorm

3. OWASP

4. Sleuthkit

5. The Hacker Webzine

6. irongeek.com

7. Open Source Software Security

8. Security Compass

9. Hacking videos

Commands and scripts

1. Scripts