Primary definition
A capability that supports one, or many, of the security goals. Examples of security services are key management, access control, and authentication. Source: NIST SP 800-27 Rev A
Also known assecurity capability · protection service · security function
2 sources cited4 related termsReviewed Aug 10, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
A capability that supports one, or many, of the security goals. Examples of security services are key management, access control, and authentication. Source: NIST SP 800-27 Rev A
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Security Service. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/security-service
Sources
2 cited · last checked Aug 10, 2026
01
Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-source
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