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The different organizations in the United States Federal Government use different terminology and lettering. Security clearances can be issued by many United States of America government agencies. The checks for clearances and the granting of clearances is carried out by the US Office of Personnel Management. [1] [2]
A United States security clearance is an official determination that an individual may access information classified by the United States Government.Security clearances are hierarchical; each level grants the holder access to information in that level and the levels below it.
Download as PDF; Printable version; ... Pages in category "Classified information in the United States" ... List of U.S. security clearance terms; Loose lips sink ...
A United States security clearance is an official determination that an individual may access information classified by the United States Government. Security clearances are hierarchical; each level grants the holder access to information in that level and the levels below it.
A Q Clearance is equivalent to a U.S. Department of Defense Top Secret clearance. [2] According to the Department of Energy, "Q access authorization corresponds to the background investigation and administrative determination similar to what is completed by other agencies for a Top Secret National Security Information access clearance." [2]
A Single Scope Background Investigation (SSBI), now called a Tier 5 (T5) [1] investigation, is a type of United States security clearance investigation. [2] It involves investigators or agents interviewing past employers, coworkers and other individuals associated with the subject of the SSBI.
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 ...
Committee on National Security Systems Instruction No. 4009, National Information Assurance Glossary, published by the United States federal government, is an unclassified glossary of Information security terms intended to provide a common vocabulary for discussing Information Assurance concepts.