Primary definition
A set of designations employing four colors (RED, AMBER, GREEN, and WHITE) used to ensure that sensitive information is shared with the correct audience.
Also known asTLP · TLP colors · traffic light system · information sharing protocol
2 sources cited4 related termsReviewed Aug 10, 2026
— NICCS GlossaryView source
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NICCS
A set of designations employing four colors (RED, AMBER, GREEN, and WHITE) used to ensure that sensitive information is shared with the correct audience.
NICCS Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Traffic Light Protocol. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/traffic-light-protocol
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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