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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.
The following banner line and portion marking describe a top secret document containing information from the notional SI-GAMMA 1234 subcompartment, the notional SI-MANSION compartment, and the notional TALENT KEYHOLE-BLUEFISH compartment (TK is always abbreviated, because in some cases even the full meaning may be classified, like for BUR ...
Header of an unclassified Department of State telegram with the "SIPDIS" tag marked in red. The Secret Internet Protocol Router Network (SIPRNet) is "a system of interconnected computer networks used by the U.S. Department of Defense and the U.S. Department of State to transmit classified information (up to and including information classified SECRET) by packet switching over the 'completely ...
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 ...
The changes call for increased levels of physical security, additional controls to ensure documents aren’t improperly removed, and the assignment of top-secret control officers to monitor users.
Among the first things to be taught are communications tradecraft, beginning with recording the material of interest. Skills here can include the operation of cameras appropriate for espionage, methods of carrying out documents without detection, secret writing. Once the information is captured, it must be transmitted.
Bulk surveillance under Section 702 was already one of the main reasons for the cancellation of two data-sharing deals that U.S. companies used as a legal basis to serve customers in the EU, and ...
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