Outage in Duo Security

Multiple Deployments: Duo SSO Authentication Failures for some customers

Resolved Minor
February 11, 2025 - Started 8 months ago - Lasted about 2 hours
Official incident page

Incident Report

We are investigating an issue that is causing some customers to experience authentication failures when logging into applications protected by Duo SSO.
Components affected
Duo Security SSO Duo Security SSO Duo Security SSO Duo Security SSO Duo Security SSO

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Latest Updates ( sorted recent to last )
RESOLVED 8 months ago - at 02/11/2025 04:40PM

We have confirmed that following the rollback of the recent D308 changes for affected customers, Duo SSO authentications are now fully operational, and the issue has been resolved.

MONITORING 8 months ago - at 02/11/2025 03:54PM

We have identified that the issue impacting certain customers originated from the D308 release. We have resolved this by rolling back the deployment and are actively monitoring for any recurrences of the failures.

IDENTIFIED 8 months ago - at 02/11/2025 03:41PM

We have identified that this issue is impacting a specific group of Duo Single Sign-On customers who are not using Duo Passwordless. We are actively working on implementing a solution for those impacted.

INVESTIGATING 8 months ago - at 02/11/2025 03:10PM

We are investigating an issue that is causing some customers to experience authentication failures when logging into applications protected by Duo SSO.

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