Espionage Espionage Act of 1917 (U.S.) Eyes only Five Eyes Golden Shield Project Government Security Classifications Policy (UK) Illegal number Information security Official Secrets Act (UK, India, Ireland, Malaysia, New Zealand) Security of Information Act (Canada) State Secrets Privilege (US) Wassenaar Arrangement WikiLeaks UKUSA Agreement References External links Defence Vetting Agency. Carries out national security checks in the UK. Peter Galison, Removing Knowledge in Critical Inquiry n°31 (Autumn 2004). Goldman, Jan, & Susan Maret. Intelligence and information policy for national security: Key terms and concepts. Rowman & Littlefield, 2016. Lerner, Brenda Wilmoth, & K. Lee Lerner, eds. Terrorism: Essential primary sources. Thomson Gale, 2006. Los Alamos table of equivalent US and UK classifications Maret, Susan. On their own terms: A lexicon with an emphasis on information-related terms produced by the U.S. federal government. , FAS, 6th ed., 2016. Marking Classified National Security Information ISOO booklet. The National Security Archive – a collection of declassified documents acquired through the FOIA. Parliament of Montenegro, Law on confidentiality of data. . Parliament of Serbia, Law on confidentiality of data. . U.S. Department of Defense National Industrial Security Program - Operating Manual (DoD 5220.22-M), explaining rules and policies for handling classified information. Information sensitivity