- http://www.milw0rm.com - Exploits and 0day exploits database.

- http://www.astalavista.com - Information Security Portal.

- http://www.thc.org - Group of international experts involved in network and system security.

- http://www.packetstormsecurity.org - Information and computer security full disclosure web site.

- http://www.phrack.org - Phrack staff website (security e-zine).

- http://www.tuts4you.com - Reverse engineering tutorials and news.

- http://www.damnvulnerablelinux.org - Damn Vulnerable Linux - The most vulnerable and exploitable operating system ever!

- http://www.it.com.mk - Macedonian IT forum, real place for IT talk (MK).

- http://www.metasploit.com - The Metasploit Project (exploit framework).

- http://www.centralops.net - Free online network utilities, including traceroute, nslookup, dig, automatic whois lookup, ping, finger, and Domain Dossier and Email Dossier.

- http://www.itsec.com.mk - IT SEC (e)-magazine for computer security (MK).

- http://www.ethicalhacker.net - The Ethical Hacker Network - Your educational authority on penetration testing and incident response.

- http://www.uninformed.org - IT Security Medium for informing the uninformed.

- http://www.forensics.nl - Computer Forensics, Cybercrime, and Steganography Resources.

- http://www.securiteam.com - Group within Beyond Security® dedicated to bringing you the latest news and utilities in computer security.

- http://www.securityfocus.com - The most comprehensive and trusted source of security information on the Internet.

- http://www.net-security.org - Daily updated security related site.

- http://www.crackmes.de - The world first and largest community website for crackmes and reversemes.

- http://www.remote-exploit.org - Remote Exploit Security Group. Offensive Security Training. Home of BackTrack, a Live CD for Security Penetration Testing.

- http://www.insecure.org - Nmap free security scanner, tools and hacking resources.

- Home Security Los Angeles - Your choice for home alarm systems in Los Angeles

- http://www.vmetni.com - Macedonian Pastebin (MK).

- http://bluetooth-pentest.narod.ru - Bluetooth penetration testing framework.

- http://destr0y.net - Team Leetskeet's discussion board.

- http://www.wicked-code.org - Lio's Labs.

- http://d3.wicked-code.org - d3's page.

- http://www.uid-0.com - Teh real shit.

- http://chaplinsecurity.com - A division of Zero Science Security Labs.