Sigma Computing outage, 5 December 2025

Sigma Service Disruption Due to Cloudflare Incident

Started
Resolved
5 Dec 2025, 09:00 UTC - reported afterwards
Impact
Not stated

Last update from Sigma Computing

At 08:56 UTC Cloudflare's scheduled maintenance to their Web Application Firewalls failed and an incident was declared. At 09:12 UTC a fix was deployed and traffic was restored. Sigma's service was impacted by this incident, as this did not allow traffic to reach our servers. Our internal monitoring matches the incident timeline and indicated that customers may have experienced failures when using our services during this brief incident.

5 Dec 2025, 09:00 UTC

Read the full incident on the official Sigma Computing status page

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Other Sigma Computing incidents

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  2. Export Failures Incident

  3. Unable to change email message in scheduled exports inside Sigma reports

  4. Databricks Azure East US query timeout

  5. Input Table Edits Failing if customer updated warehouse connection

  6. Scheduled Materialization and Export Failures

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All recorded Sigma Computing incidents