Major incident

FortiSASE: Istanbul PoP - Partial Network Disruption

Affected: Istanbul, Turkey (IST-F1)

Current status of FortiSASE: Under maintenance — live FortiSASE status

Timeline

1. Apr 23, 2026, 06:53 UTC
   investigating
   A network issue has been identified at the Istanbul ist-f1 PoP and is currently being investigated. Traffic has been automatically re-routed to other PoPs. If you have any questions regarding this incident, please contact FortiCare Support https://www.fortinet.com/support/contact and reference FortiSASE Operations ticket #478728.
2. Apr 23, 2026, 07:49 UTC
   identified
   After further investigation, the root cause of the issue has been identified, our team is currently working to resolve this issue. Further updates will be shared as soon as we have additional details.
3. Apr 23, 2026, 11:03 UTC
   monitoring
   A fix has been implemented and we are monitoring the results.
4. Apr 23, 2026, 11:03 UTC
   monitoring
   We are continuing to monitor for any further issues.
5. Apr 23, 2026, 15:14 UTC
   resolved
   This incident has been resolved.

Updates as published by FortiSASE (original).