Primary definition
Time span during which each COMSEC key edition (i.e., multiple key segments) remains in effect. Source: CNSSI No. 4006 (adapted)
Also known askey validity period · cryptoperiod · key lifetime · KEV
1 sources cited4 related termsReviewed Aug 9, 2026
— Committee on National Security Systems Glossary CNSSI 4009-2015View source
Understand more election terms clearly
Get one important election term explained each week, with authoritative sources, practical context and related definitions.
Free. One useful email each week. Unsubscribe anytime.Learn more about the ESG newsletter →
CNSSGC
Time span during which each COMSEC key edition (i.e., multiple key segments) remains in effect. Source: CNSSI No. 4006 (adapted)
Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Effective Period. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/effective-period
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
Get the weekly election term
Receive one cited, source-backed election explanation in your inbox each week.
Get election terms explained weekly →
Free · Nonpartisan · Unsubscribe anytime.