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Segment Investigating SSO Login Failures for App Users

The customer data platform is working to resolve authentication issues affecting some users.

By The Downtime ยท Sep 10, 2026 ยท 2:30 PM

Segment is investigating a major incident in which some customers are unable to log in to the Segment app using single sign-on (SSO) authentication. The company has not yet identified a root cause and continues to assess the scope and duration of the issue.

Segment is a customer data platform that helps businesses collect, unify, and activate customer data across their technology stack. The service is widely used by marketing, analytics, and product teams.

The company began investigating the SSO login problem and posted an update to its status page. No further details on affected customer count, timeline to resolution, or underlying cause have been disclosed.

This is a developing story. The Downtime will continue monitoring Segment's status page for updates.

๐Ÿ•’ Live updates (3)

resolved Sep 10, 8:39 AM

The issue has been mitigated, and SSO login is now fully functional for the Segment app.

identified Sep 10, 8:27 AM

The root cause of the issue with SSO login has been identified and we are working on a fix.

investigating Sep 10, 7:28 AM

We are actively investigating an issue in which some customers are unable to login to the Segment app via SSO.

๐Ÿ“Ž Sources

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.

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