United States
Center for Homeland Defense and Security
Computer Security Resource Center (CSRC)
Dept. of Homeland Security (DHS)
Federal Bureau of Investigation
National Institute of Standards and Technology – Computer Security Division
England
MI5 (Military Intelligence, Section 5)
Europe
European Union Agency for Network and Information Security
Global
UN-International Telecommunication Union
NATO Cooperative Cyber Defence Centre of Excellence
Center for Strategic and International Studies
Freedom of Information Act (FOIA) Electronic Reading Room
Homeland Security Digital Library
International Statistical Agencies
Library of Congress – Nations of the World
Multi-State Information Sharing & Analysis Center
National Cyber Security Alliance
NATO and Cyber Security Reports
(Purdue) The Center for Education and Research in Information Assurance and Security
SANS Information Security Policy Templates
United States Computer Emergency Readiness Team (US-CERT)