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Communications Security (COMSEC)

What does Communications Security (COMSEC) mean?

Communications security (COMSEC) ensures the security of telecommunications confidentiality and integrity - two information assurance (IA) pillars. Generally, COMSEC may refer to the security of any information that is transmitted, transferred or communicated.
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Techopedia explains Communications Security (COMSEC)

There are five COMSEC security types: Cryptosecurity: This encrypts data, rendering it unreadable until the data is decrypted. Emission Security (EMSEC): This prevents the release or capture of emanations from equipment, such as cryptographic equipment, thereby preventing unauthorized interception. Physical Security: This ensures the safety of, and prevents unauthorized access to, cryptographic information, documents and equipment. Traffic-Flow Security: This hides messages and message characteristics flowing on a network. Transmission Security (TRANSEC): This protects transmissions from unauthorized access, thereby preventing interruption and harm.
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