US Domestic Law

FindLaw's Cybercrime Resources
Launch on Warning: Aggressive Defense of Computer Systems
US Federal Cybercrime Statutes

International Law

EU Convention on Cybercrime
The Legal Framework: Unauthorized Access to Computer Systems
Cyber Attacks and International Law

Ethics

Ethics of Active Defense
Computer Ethics: Basic Concepts and History
Ethical Hacking: The Security Justification

Research

Google  Dogpile  Yahoo Directory  Yahoo Search  Ixquick  Kartoo  Metacrawler
Internet Archive
The List: List of ISPs
Catalist  Google Groups
Securities Exchange Commission (SEC)

WHOIS/DNS

IANA  ARIN  APNIC  LACNIC  RIPE  AfriNIC
Network Solutions
Internic  CompleteWHOIS  BetterWHOIS  AllWHOIS 
DNS Report  DNS Stuff  Mice and Men  Sam Spade

Reconnaissance

Netcraft: Web server OS
Traceroute.org  Tracert.com
Mulitple DNS  CentralOps  CodeFlux  Infosec Tools  BGPlay  Netlantis

Password Resources

Brutus
Hydra

Scanners

T1 Shopper Port Scanner: Online port scanner
Nessus: Vulnerability Scanner
Nmap: Network Mapper
Site Digger: Google vulnerability scanner
Nikto: Web server vulnerability scanner
HTTPrint: HTTP Server fingerprinting
SSLDigger: Enumerates website encryption

Proxies

Paros: HTTP analyzer/proxy

Wireless

Misc

Insecure's Top 75 Security Tools
Hex Encoder/Decoder
Blackbox.com White Papers
Navigators.com (fm)

perl
PHP
SQL
HTML
Javascript
Shell Code
C/C++
Java

Slashdot
The Register
Security Focus
Rexploit

Security Advisories

Packetstorm

UC Davis List of Seminal CompSec Papers
University of Portland

Citeseer
Books 24x7
Computer Science Bibliographies
Computing Research Repository
Cornell Engineering Research Guide
DBLP: Computer Science Bibliographies
Google Scholar
Google
DogPile