Sigma Computing incident
Sigma Service Disruption Due to Cloudflare Incident
Sigma Computing experienced a notice incident on December 5, 2025, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved Dec 05, 2025, 04:07 PM UTC
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.