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Communications Security
  • The protection resulting from all measures (COMSEC) designed to deny unauthorized persons information of value which might be derived from the possession and study of telecommunications, or to mislead unauthorized persons in their interpretation of the results of such possession and study. Also called COMSEC. Communications security includes cryptosecurity, transmission security, emission security, and physical security of communications security materials and information. (OPNAVINST 5239. 1A;; AFR 700-10;; AR 380-380;)
  • The protection that insures the authenticity of telecommunications and that results from the application of measures taken to deny unauthorized persons information of value which might be derived from the acquisition of telecommunications. (FIPS PUB 39;)
  • The protection resulting from all measures designed to deny unauthorized persons information of value that might be derived from the possession and study of telecommunications, or to mislead unauthorized persons in their interpretation of the results of such possession and study. (DOE 5636. 2A;)
  • Protective measures taken to deny unauthorized persons information derived from telecommunications and to ensure the authenticity of such communications. (NCSC-WA-001-85;)
  • (COMSEC) Measures taken to deny unauthorized persons information derived from telecommunications or to ensure its authenticity. *Measures taken to deny unauthorized persons information derived from telecommunications of the U. S. Government concerning national security, and to ensure the authenticity of such telecommunications NOTE: COMSEC includes cryptosecurity, emission security, transmission security, and physical security of COMSEC material and information See Telecommunications and Automated Information Systems Security (TAISS) (NSA, National INFOSEC Glossary, 10/88)