Communications Security (COMSEC)

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This article references parts of the story in my fiction books, The Meadow Protocol and book 2, After The Brush, part of The Continuity Chronicles series. Available in my store for signed paperback and hard copies for from Amazon to include Kindle and Audible. Communications Security (COMSEC) Communications Security (COMSEC) is the discipline of preventing adversaries from intercepting, exploiting, or deriving intelligence from communications—while still ensuring timely and reliable delivery to intended recipients. COMSEC is not a single technology. It is a layered system of procedures, equipment, discipline, and operational awareness designed to deny intelligence value even when transmissions are intercepted. At its core, COMSEC seeks to protect: Content (what is said) Context (who is communicating, when, and how often) Continuity (maintaining communications under hostile conditions) Core Components of COMSEC COMSEC traditionally consists of four overlapping domains: 1. Transmission Security (TRANSEC) Measures that protect transmissions from interception, detection, exploitation, and jamming. 2. Emissions Security (EMSEC) Controls that deny adversaries intelligence from unintended electromagnetic emissions (including TEMPEST-style exploitation). 3. Cryptographic Security (CRYPTOSEC) Proper selection, implementation, rotation, and destruction of cryptographic systems and keys. 4. Physical Security of COMSEC Material Protection of radios, codebooks, keys, authentication material, and crypto devices from...