Primary definition
A web security solution that is free for SLTT government entities and provides an additional layer of cybersecurity protection that is proven, effective, and easy to deploy.
Also known asMDBR · Malicious Domain Blocking & Reporting
1 sources cited4 related termsReviewed Aug 9, 2026
— CISA Election Security Resource LibraryView source
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CISA
Cybersecurity and Infrastructure Security Agency
A web security solution that is free for SLTT government entities and provides an additional layer of cybersecurity protection that is proven, effective, and easy to deploy.
CISA Election Security Resource Library · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Malicious Domain Blocking And Reporting (mdbr). In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/malicious-domain-blocking-and-reporting-mdbr
Sources
1 cited · last checked Aug 9, 2026
01
CISA Election Security Resource Library
CISA Election Security Resource Library
Single-source
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