Allowlist

Primary definition

An allowlist (formerly whitelist) is a cybersecurity strategy that explicitly permits specific, trusted entities--such as applications, IP addresses, or websites--to access a system or network, while denying all others. It enhances security by enforcing a "deny-by-default" policy, preventing unauthorized software or traffic from running

Also known aswhitelist · safe list · permit list · approval list · inclusion list
1 sources cited4 related termsReviewed Aug 10, 2026
NICCS GlossaryView source

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NICCS

An allowlist (formerly whitelist) is a cybersecurity strategy that explicitly permits specific, trusted entities--such as applications, IP addresses, or websites--to access a system or network, while denying all others. It enhances security by enforcing a "deny-by-default" policy, preventing unauthorized software or traffic from running

NICCS Glossary · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Allowlist. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/allowlist

Sources

1 cited · last checked Aug 10, 2026

01

NICCS Glossary
NICCS Glossary

Single-source

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