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Outage in Cisco Umbrella

Cisco Umbrella - Remote Browser Isolation service - Middle East (UAE)

Resolved Minor
April 01, 2026 - Started 11 days ago - Lasted about 7 hours
Official incident page

Incident Report

Summary AI Generated

Cisco Umbrella's Remote Browser Isolation (RBI) service in the Middle East (UAE) data center experienced issues causing "fail open" errors for customers in that region. The problem resulted in traffic not being properly isolated according to configured policies, with unexpected behavior when accessing the RBI service. The issue was resolved after 6.9 hours, with all services returning to normal operation.

We have identified a potential issue with the Remote Browser Isolation (RBI) service affecting customers connecting to the Middle East (UAE) data center. Actual Impact: Customers in the Middle East (UAE) region may be experiencing "fail open" errors when attempting to access the Remote Browser Isolation service. This may result in unexpected behavior where traffic is not being isolated as per configured policies. Our engineering team is actively working to identify the root cause, and implement a resolution. Updates and additional details will be provided as new information becomes available. We appreciate your patience and understanding.

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Latest Updates ( sorted recent to last )
RESOLVED 11 days ago - at 04/01/2026 11:17AM

We are pleased to confirm that the issue affecting the Remote Browser Isolation (RBI) service in the Middle East (UAE) data center has been resolved. All services are now operating normally, and customers should no longer experience "fail open" errors or unexpected behavior when accessing the RBI service.

Thank you for your patience and understanding while we worked to restore full service. If you have any questions or need assistance, please contact our support team.

IDENTIFIED 11 days ago - at 04/01/2026 04:26AM

We have identified a potential issue with the Remote Browser Isolation (RBI) service affecting customers connecting to the Middle East (UAE) data center.

Actual Impact:
Customers in the Middle East (UAE) region may be experiencing "fail open" errors when attempting to access the Remote Browser Isolation service. This may result in unexpected behavior where traffic is not being isolated as per configured policies.

Our engineering team is actively working to identify the root cause, and implement a resolution. Updates and additional details will be provided as new information becomes available. We appreciate your patience and understanding.

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