Primary definition
Formal document that provides an overview of the security requirements for an information system and describes the security controls in place or planned for meeting those requirements. Source: NIST SP 800-18 Rev 1
Also known assecurity plan · information system security plan · ISSP
1 sources cited4 related termsReviewed Aug 10, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
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CNSSGC
Formal document that provides an overview of the security requirements for an information system and describes the security controls in place or planned for meeting those requirements. Source: NIST SP 800-18 Rev 1
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). System Security Plan (ssp). In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/system-security-plan-ssp
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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