Dictionaries
FOLDOC : Free Online Dictionary Of Computing
TechDictionary.com
Webopedia

Australian
AVEL (Australasian Virtual Engineering Library)
Computer and Network Security Reference Index
 

International
About Internet and Computing
Association for Computing Machinery
BUBL Link: Computing and the Internet
CERT Coordination Center
Computer Security Resources
Computing Research Association
Cprogramming.com
Intute : Science, engineering and technology
ITPRC.COM