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"Examples of exceptionally grave damage include armed hostilities against the United States or its allies; disruption of foreign relations vitally affecting the national security; the compromise of vital national defense plans or complex cryptology and communications intelligence systems; the revelation of sensitive intelligence operations, and ...
Within the U.S. government, security clearance levels serve as a mechanism to ascertain which individuals are authorized to access sensitive or classified information. These levels often appear in employment postings for Defense related jobs and other jobs involving substantial amounts of responsibility, such as air traffic control or nuclear ...
On 19 July 2011, the National Security (NS) classification marking scheme and the Non-National Security (NNS) classification marking scheme in Australia was unified into one structure. As of 2018, the policy detailing how Australian government entities handle classified information is defined in the Protective Security Policy Framework (PSPF).
Such compartmentalized clearances may be expressed as "John has a TS/SCI", whereby all clearance descriptors are spelled out verbally. For example, the US National Security Agency once used specialized terms such as "Umbra", [27] [28] [29] This classification is reported to be a compartment within the "Special Intelligence" compartment of SCI. [30]
ICPG 704.1, Personnel Security Investigative Standards and Procedures Governing Eligibility for Access to Sensitive Compartmented Information and Other Controlled Access Program Information, 2 October 2008; Intelligence Community Authorized Classification and Control Markings Register and Manual v5.1, 30 March 2012
Authorized Classification and Control Markings Register Version 1.2, 12 May 2008; DCID 3/29, Controlled Access Program Oversight Committee, 2 June 1995; DOD 5220.22-M, National Industrial Security Program Operating Manual (NISPOM), 28 February, 2006; DODD 5200.1-R, Information Security Program, January 1997
Sensitive Security Information (SSI) is a category of sensitive but unclassified information under the United States government's information sharing and control rules, often used by TSA and CBP. SSI is information obtained in the conduct of security activities whose public disclosure would, in the judgment of specified government agencies ...
The UK prefix is added to the security classification of all assets sent to foreign governments or international organisations. This prefix designates the UK as the originating country and that the British Government should be consulted before any possible disclosure. [2] National caveats follow the security classification.