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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 energy positions.
Levels and categories of classification. The United States government classifies sensitive information according to the degree which the unauthorized disclosure would damage national security. The three primary levels of classification (from least to greatest) are Confidential, Secret, and Top Secret.
A formal security clearance is required to view or handle classified material. The clearance process requires a satisfactory background investigation. Documents and other information must be properly marked "by the author" with one of several (hierarchical) levels of sensitivity—e.g. restricted, confidential, secret, and top secret. The choice of level is based on an impact assessment ...
Sensitive compartmented information ( SCI) is a type of United States classified information concerning or derived from sensitive intelligence sources, methods, or analytical processes. All SCI must be handled within formal access control systems established by the Director of National Intelligence. [1]
Finally, the Joint Worldwide Intelligence Communications System houses the top level of data, consisting primarily of top-secret intelligence information. [6] The system deals with transmissions coming from across the globe.
Young National Guardsman Jack Teixeira had a top-secret security clearance and access to documents meant for Pentagon leaders, raising questions in and outside government.
A security clearance is a status granted to individuals allowing them access to classified information (state or organizational secrets) or to restricted areas, after completion of a thorough background check. The term "security clearance" is also sometimes used in private organizations that have a formal process to vet employees for access to sensitive information. A clearance by itself is ...
Single Scope Background Investigation. 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.