Primary definition
A group of cyber security incidents that share similar cyber actors, methods, or signatures.
Also known asthreat cluster · threat group · threat actor group · activity group · campaign
1 sources cited4 related termsReviewed Aug 10, 2026
— ODNI Cyber Threats to Elections LexiconView source
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ODNI
A group of cyber security incidents that share similar cyber actors, methods, or signatures.
ODNI Cyber Threats to Elections Lexicon · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Intrusion Set. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/intrusion-set
Sources
1 cited · last checked Aug 10, 2026
01
ODNI Cyber Threats to Elections Lexicon
ODNI Cyber Threats to Elections Lexicon
Single-source
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