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Top Secret is the highest level of classification. However some information is further categorized/marked by adding a code word so that only those who have been cleared for each code word can see it. A document marked SECRET (CODE WORD) could be viewed only by a person with a secret or top secret clearance and that specific code word clearance.
SCI information may be either Secret or Top Secret, but in either case it has additional controls on dissemination beyond those associated with the classification level alone. In order to gain SCI Access, one would need to have a Single Scope Background Investigation (SSBI). Compartments of information are identified by code words. This is one ...
Top Secret is the highest level of classified information. [4] Information is further compartmented so that specific access using a code word after top secret is a legal way to hide collective and important information. [5] Such material would cause "exceptionally grave damage" to national security if made publicly available. [6] Prior to 1942 ...
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]
United States. In the United States, a 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.
It is possible that the term itself, supposedly suggested by Winston Churchill, was a "backronym"—a phrase created to fit an acronym such as the existing "To Gibraltar" code. The list of personnel cleared to know details of Overlord was known as the BIGOT list, and the people on it were known as "Bigots".
In October 2017, more than 2.8 million people had security clearances — more than 1.6 million of them had confidential or secret clearance, and nearly 1.2 million had access to top secret ...
Q clearance or Q access authorization is the U.S. Department of Energy (DOE) security clearance required to access Top Secret Restricted Data, Formerly Restricted Data, and National Security Information, as well as Secret Restricted Data. Restricted Data (RD) is defined in the Atomic Energy Act of 1954 and covers nuclear weapons and related ...