Primary definition
A proposed designation of critical infrastructure entities that manage systems and assets whose disruption could have cascading, destabilizing effects on U.S. national security, economic security, and public health and safety.
Also known asSICI · systemically important infrastructure · critical infrastructure SICI
2 sources cited4 related termsReviewed Aug 10, 2026
— March 2020 CSC ReportView 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 →
M2CR
A proposed designation of critical infrastructure entities that manage systems and assets whose disruption could have cascading, destabilizing effects on U.S. national security, economic security, and public health and safety.
March 2020 CSC Report · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Systemically Important Critical Infrastructure (sici). In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/systemically-important-critical-infrastructure-sici
Sources
2 cited · last checked Aug 10, 2026
01
March 2020 CSC Report
March 2020 CSC Report
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-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.