# Authentication failures

- Provider: [Duo Security](https://down.guide/duo)
- Level: confirmed
- Impact: Degraded
- lasted 2h 41m
- started 2026-05-13 13:22 UTC
- Core Authentication Service
- id: DWN-fb8781f938
- Official page: https://stspg.io/4nd44tt9pgs6

## Updates from Duo Security
### 2026-05-13 13:22 UTC: investigating
We are currently investigating an issue causing limited authentication failures on DUO57 and are working to correct the issue as soon as possible.

### 2026-05-13 14:52 UTC: identified
We have identified the cause of the issue causing authentication failures on DUO57 with the Duo Core Authentication Service and are actively working to restore service.

### 2026-05-13 15:37 UTC: monitoring
We have implemented a fix for the issue causing authentication failures on DUO57 with the Duo Core Authentication Service.
We will continue to monitor system performance and authentication success rates and will provide further updates once the incident is fully resolved.

### 2026-05-13 16:03 UTC: resolved
The issue causing authentication failures on DUO57 with the Duo Core Authentication Service is now resolved and full functionality has been restored.

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