Duo Security incident

All Deployments: Authentication Failures for Newly Created MSP Sub-Accounts

Minor Resolved View vendor source →

Duo Security experienced a minor incident on January 21, 2026 affecting Core Authentication Service and Core Authentication Service and 1 more component, lasting 1h 54m. The incident has been resolved; the full update timeline is below.

Started
Jan 21, 2026, 09:38 PM UTC
Resolved
Jan 21, 2026, 11:32 PM UTC
Duration
1h 54m
Detected by Pingoru
Jan 21, 2026, 09:38 PM UTC

Affected components

Core Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication ServiceCore Authentication Service

Update timeline

  1. investigating Jan 21, 2026, 09:38 PM UTC

    We are currently investigating an issue causing authentication failures with the authentications for newly created MSP sub-accounts on all of our deployments and are working to correct the issue as soon as possible. Please check back here or subscribe to updates for any changes.

  2. identified Jan 21, 2026, 09:57 PM UTC

    We have identified the cause of authentication failures for newly created MSP sub-accounts and are working to correct the issue as soon as possible. Please check back here or subscribe to updates for any changes.

  3. resolved Jan 21, 2026, 11:32 PM UTC

    We have identified the cause of the issue for authentication failures with newly created MSP Sub-accounts on all our deployments and remediation steps have been applied to correct this. If you continue to experience any additional issues related to this, please contact us at https://duo.com/support referencing this incident, (https://status.duo.com/incidents/tymgyq32v7dw).