National Security - ACLU
- Information and resources from the American Civil Liberties Union - Freedom Network.
- http://www.aclu.org/natsec/index.html

National Security Agency (NSA)
- Offers virtual tour of National Cryptologic Museum. Includes narratives and archives illustrating intelligence gathering practices in the 1940s (VENONA) and in helping manage the Cuban Missile Crisis.
- http://www.nsa.gov/

Anser Institute for Homeland Security
- Provides extensive coverage on the issue and information on current events, a weekly newsletter, bibliography, virtual library and links.
- http://www.homelandsecurity.org/

National Security Website
- A clearinghouse for reporters, researchers, and concerned Americans interested in publications, policy experts, and weblinks on a wide spectrum of national security issues.
- http://www.heritage.org/research/nationalsecurity/

The Center for Security Policy
- Analyses of current and breaking security policy issues.
- http://www.centerforsecuritypolicy.org/

Business Executives for National Security
- BENS is a national, nonpartisan organization of business leaders who apply the lessons of their successful businesses to making our country safer and more secure.
- http://www.bens.org/

US National Security Council (NSC)
- The President's principal forum for considering national security and foreign policy matters with his senior national security advisors and cabinet officials.
- http://www.whitehouse.gov/nsc/

Institute for Defense Analyses
- Conducts research and provides information to the United States Department of Defense.
- http://www.ida.org/

FAS Project on Government Secrecy
- The Project works to challenge excessive government secrecy and to promote public oversight in national security affairs.
- http://www.fas.org/sgp/

Brookhaven National Laboratory (SSN Division)
- Conducts research and development and provides technical support in the areas of nonproliferation and national security.
- http://www.dne.bnl.gov/ssn/index.html