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Duo Security

Duo Phone Call Authentication Failures - United States

Summary

Status: identified We have identified an issue causing phone call authentication failures for customers in the United States. This is related to a third-party carrier disruption. We are actively monitoring the carrier issue and working with our provider as needed. Please check back here or subscribe to updates for any changes.
Ongoing8/8/2026, 5:13 PM EDT<1mminor
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