Sumo Logic US1 incident
Problem with Cloud SIEM APIs and Cloud SIEM UI in Europe 1 (EU), Canada (CA)
Sumo Logic US1 experienced a major incident on September 18, 2026 affecting Cloud SIEM APIs and Cloud SIEM APIs and 1 more component, lasting 9m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Sep 18, 2026, 09:57 PM UTC
We have identified the source of the issue affecting Cloud SIEM APIs and Cloud SIEM UI. The Cloud SIEM User Interface may fail to load or show errors. This can impact viewing Insights, managing detection rules, or investigating related signals and records. We are working on a fix for the problem.
- monitoring Sep 18, 2026, 09:59 PM UTC
We have implemented a fix for the issue affecting Cloud SIEM APIs and Cloud SIEM UI. The Cloud SIEM User Interface may fail to load or show errors. This can impact viewing Insights, managing detection rules, or investigating related signals and records. We are currently monitoring the results.
- resolved Sep 18, 2026, 10:07 PM UTC
We are no longer seeing issues with Cloud SIEM APIs and Cloud SIEM UI and normal operation has been restored at this time.