Duo Security experienced a minor incident on October 20, 2025 affecting Admin Panel and Admin Panel and 1 more component, lasting 3h 26m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 20, 2025, 07:54 AM UTC
We are currently investigating an issue affecting email delivery. Our team is working to identify the root cause and restore full functionality as quickly as possible. We'll provide updates as soon as more information becomes available. Authentication is not impacted. Thank you for your patience.
- identified Oct 20, 2025, 09:44 AM UTC
We have identified the cause of the issue with email delivery with the Duo Admin Panel and are actively working to restore service.
- resolved Oct 20, 2025, 11:20 AM UTC
The issue affecting email delivery has been resolved. System performance has remained stable, and all services are functioning normally across deployments. We’ll continue to monitor to ensure ongoing reliability. Thank you for your patience throughout this incident.