Primary definition
Technology that prevents IT systems from connecting to harmful web domains, helping limit infections related to known malware, ransomware, phishing, and other cyber threats
Also known asMDBR · malicious domain blocking · malicious domain filtering · malicious domain blocking and filtering · domain threat blocking
1 sources cited4 related termsReviewed Aug 9, 2026
— CIS/EI-ISAC Essential Guide to Election SecurityView source
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CIS
Technology that prevents IT systems from connecting to harmful web domains, helping limit infections related to known malware, ransomware, phishing, and other cyber threats
CIS/EI-ISAC Essential Guide to Election Security · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Malicious Domain Blocking And Reporting. In Election Security Glossary. Retrieved August 13, 2026, from https://electionsecurityglossary.com/glossary/malicious-domain-blocking-and-reporting
Sources
1 cited · last checked Aug 9, 2026
01
CIS/EI-ISAC Essential Guide to Election Security
Essential Guide to Election Security
Single-source
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