Comsec Equipment

Primary definition

Equipment designed to provide security to telecommunications by converting information to a form unintelligible to an unauthorized interceptor and, subsequently, by reconverting such information to its original form for authorized recipients; also, equipment designed specifically to aid in, or as an essential element of, the conversion process. COMSEC equipment includes cryptographic-equipment, crypto-ancillary equipment, cryptographic production equipment, and authentication equipment. Source: NSA/CSS Manual Number 3-16 (COMSEC)

Also known asCommunications Security equipment · crypto equipment · cryptographic equipment · crypto-ancillary equipment · cryptographic production equipment · authentication equipment
2 sources cited4 related termsReviewed Aug 9, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source
People also ask

What is comsec equipment?

The term Comsec Equipment refers to equipment designed to perform communications-security functions such as encryption, authentication, key handling, secure transmission, or protection of classified communications. It gives election, security, legal, or technical readers a specific label for the concept rather than a broader everyday meaning.

How is comsec equipment used in cryptography or COMSEC?

In practice, Comsec Equipment is applied to the technical or security purpose captured by its definition: equipment designed to perform communications-security functions such as encryption, authentication, key handling, secure transmission, or protection of classified communications. Organizations combine that function with documented procedures, authorized access, testing, monitoring, and controls appropriate to the system.

Why does comsec equipment need security controls?

Understanding Comsec Equipment matters because the concept can affect security, reliability, auditability, or trusted operation. In this glossary context, it refers to equipment designed to perform communications-security functions such as encryption, authentication, key handling, secure transmission, or protection of classified communications.

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CNSSGC

Equipment designed to provide security to telecommunications by converting information to a form unintelligible to an unauthorized interceptor and, subsequently, by reconverting such information to its original form for authorized recipients; also, equipment designed specifically to aid in, or as an essential element of, the conversion process. COMSEC equipment includes cryptographic-equipment, crypto-ancillary equipment, cryptographic production equipment, and authentication equipment. Source: NSA/CSS Manual Number 3-16 (COMSEC)

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Comsec Equipment. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/comsec-equipment

Sources

2 cited · last checked Aug 9, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

The Cyber Glossary
The Cyber Glossary

Multi-source

View source

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