Primary definition
In a hierarchical public key infrastructure (PKI), a certificate authority (CA) whose certificate signing key is certified by another CA, and whose activities are constrained by that other CA. See superior certification authority. Source: CNSSI No. 1300
Also known asintermediate CA · issuing CA · sub-CA
1 sources cited4 related termsReviewed Aug 10, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
In a hierarchical public key infrastructure (PKI), a certificate authority (CA) whose certificate signing key is certified by another CA, and whose activities are constrained by that other CA. See superior certification authority. Source: CNSSI No. 1300
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Subordinate Certificate Authority. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/subordinate-certificate-authority
Sources
1 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
Single-source
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