Primary definition
The combination of NIST SP 800-53 baselines (represented by an "X") and the additional NIST SP 800-53 security controls required for National Security System (NSS) (represented by a "+") that are applicable to NSS. Source: CNSSI No. 1253
Also known asNSS security baselines · National Security System baselines · NIST SP 800-53 NSS baselines
1 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
The combination of NIST SP 800-53 baselines (represented by an "X") and the additional NIST SP 800-53 security controls required for National Security System (NSS) (represented by a "+") that are applicable to NSS. Source: CNSSI No. 1253
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Nss Baselines. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/nss-baselines
Sources
1 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
Single-source
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