Outage in Duo Security

SMS Delivery Issues to Greece Phone Numbers

Resolved Minor
May 28, 2025 - Started 2 days ago - Lasted about 2 hours
Official incident page

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Outage Details

We are currently investigating an issue affecting SMS delivery to phone numbers in Greece. Please feel free to check back here or subscribe to updates for the latest information regarding any changes or resolutions.
Components affected
Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery Duo Security SMS Message Delivery
Latest Updates ( sorted recent to last )
RESOLVED 2 days ago - at 05/28/2025 12:17PM

The third-party issue with intermittent SMS delivery failures for Greece has been resolved.

MONITORING 2 days ago - at 05/28/2025 11:42AM

We have implemented a workaround for the third-party issue with intermittent SMS delivery failures in Greece and are monitoring the results at this time.

IDENTIFIED 2 days ago - at 05/28/2025 11:09AM

While we have identified the issue causing SMS delivery failures in the Greece. We are waiting for a solution and will provide updates as they are available.

During this time, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Tokens etc to login to your Duo-protected integrations.

INVESTIGATING 2 days ago - at 05/28/2025 10:17AM

We are currently investigating an issue affecting SMS delivery to phone numbers in Greece.

Please feel free to check back here or subscribe to updates for the latest information regarding any changes or resolutions.

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