Primary definition
The presentation of a dynamic attack surface, increasing an adversary's work factor necessary to probe, attack, or maintain presence in a cyber target.
Also known asMTD · dynamic defense · shifting defense · adaptive defense
2 sources cited4 related termsReviewed Aug 10, 2026
— NICCS GlossaryView source
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NICCS
The presentation of a dynamic attack surface, increasing an adversary's work factor necessary to probe, attack, or maintain presence in a cyber target.
NICCS Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Moving Target Defense. In Election Security Glossary. Retrieved August 15, 2026, from https://electionsecurityglossary.com/glossary/moving-target-defense
Sources
2 cited · last checked Aug 10, 2026
01
NICCS Glossary
NICCS Glossary
High consensus
02
The Cyber Glossary
The Cyber Glossary
Multi-source
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