Linker jeg mener er vært et besøk:

SANS Institute - Computer Security Education and Information Security Training
CERT Coordination Center
SecurityFocus
Center for Internet Security

Linker til verktøy:

The Wireshark Network Analyzer
ntop.org
Snort.org - The Open Source Network Intrusion Detection System
Nmap - Free Stealth Port Scanner
OpenNMS
The Packetfactory

Ting å ha et forhold til:

CERT/CC - Home Computer Security
CERT/CC - Home Network Security
CERT/CC - Computer Virus Resources
rfc 2196 - Site Security Handbook
rfc 2827 - Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP Source Address Spoofing

Ting litt på siden:

Linux vs. Windows Viruses | The Register