A cyber incident that is (or group of related cyber incidents that together are) likely to result in demonstrable harm to the national security interests, foreign relations, or economy of the United States or to the public confidence, civil liberties, or public health and safety of the American people.
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A cyber incident that is (or group of related cyber incidents that together are) likely to result in demonstrable harm to the national security interests, foreign relations, or economy of the United States or to the public confidence, civil liberties, or public health and safety of the American people.
Cite this term
Election Security Glossary. (2026). Significant Cyber Incident. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/significant-cyber-incident
Sources
01
High consensus
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Multi-source
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