Cisco Umbrella experienced a minor incident on November 4, 2025 affecting Remote Browser Isolation, lasting 3h 22m. The incident has been resolved; the full update timeline is below.
Affected components
Remote Browser Isolation
Update timeline
- investigating Nov 04, 2025, 11:33 AM UTC
We are aware of an issue intermittently affecting remote browser isolation in our Stockholm data centre. Users may see Remote Browser Isolation fail open until the issue is mitigated. We will provide an update when the issue is mitigated.
- resolved Nov 04, 2025, 02:55 PM UTC
The instability affecting RBI in Stockholm has been resolved as of 12:50 UTC. All services are now fully operational. We apologize for any inconvenience this may have caused and appreciate your patience during this time.