Outage in Duo Security

All Deployments: Duo SMS Passcode Authentication Failures for US region

Resolved Minor
April 22, 2025 - Started 6 months ago - Lasted about 1 hour
Official incident page

Incident Report

We are currently investigating an issue causing intermittent SMS delivery failures in the US region. While we investigate this, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Token etc. to login to your Duo-protected integrations. Please check back here or subscribe to updates for any changes.
Components affected
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Latest Updates ( sorted recent to last )
RESOLVED 6 months ago - at 04/22/2025 03:05PM

After continued monitoring of the third-party carrier's status, the issue causing intermittent SMS delivery to the US region is resolved.

MONITORING 6 months ago - at 04/22/2025 02:40PM

We have identified the issue causing intermittent SMS delivery failures in the US region to be caused by a third party carrier. We are monitoring the carrier's status at this time.

INVESTIGATING 6 months ago - at 04/22/2025 02:18PM

We are currently investigating an issue causing intermittent SMS delivery failures in the US region.

While we investigate this, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Token etc. to login to your Duo-protected integrations.

Please check back here or subscribe to updates for any changes.

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