Duo Security incident

SMS Delivery Issues to Netherlands & Australia Phone Numbers

Minor Resolved View vendor source →

Duo Security experienced a minor incident on June 6, 2025 affecting SMS Message Delivery and SMS Message Delivery and 1 more component, lasting 3h 52m. The incident has been resolved; the full update timeline is below.

Started
Jun 06, 2025, 06:56 AM UTC
Resolved
Jun 06, 2025, 10:49 AM UTC
Duration
3h 52m
Detected by Pingoru
Jun 06, 2025, 06:56 AM UTC

Affected components

SMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message DeliverySMS Message Delivery

Update timeline

  1. investigating Jun 06, 2025, 06:57 AM UTC

    We are currently investigating an issue affecting SMS delivery to phone numbers in Netherlands & Australia. Please feel free to check back here or subscribe to updates for the latest information regarding any changes or resolutions.

  2. identified Jun 06, 2025, 07:03 AM UTC

    While we have identified the issue causing SMS delivery failures in the Netherlands & Australia. We are waiting for our provider to fix the issues on their end. 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.

  3. resolved Jun 06, 2025, 10:49 AM UTC

    The issue affecting SMS delivery to NL and AU phone numbers has been resolved. Services are now fully operational.