Outage in Cisco Duo

SMS Delivery Issues to Greece Phone Numbers

Resolved Minor

May 28, 2025 - Started 11 months ago - Lasted about 2 hours
Official incident page

Incident Report

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

Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery Cisco Duo SMS Message Delivery

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Latest Updates ( sorted recent to last )

RESOLVED 11 months ago - at 05/28/2025 12:17PM

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

MONITORING 11 months 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 11 months 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 11 months 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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