Minor incident

Cloud Security: Cisco Umbrella - Intermittent Network Tunnel Connectivity - Australia

Affected: Network Tunnels

Current status of Cloud Security: Operational — live Cloud Security status

Timeline

1. Oct 29, 2026, 01:00 UTC
   investigating
   We are investigating an issue affecting Cisco Umbrella network tunnels in Australia. Customers using affected tunnels may experience intermittent connectivity as the tunnels disconnect and reconnect. Our engineering teams are actively investigating. We will provide updates as more information becomes available.
2. Oct 29, 2026, 03:22 UTC
   identified
   We have identified the root cause of the intermittent connectivity affecting some customers using Cisco Umbrella network tunnels in Australia. A partial mitigation has been implemented, and the remaining remediation steps are in progress. Some customers may continue to experience connectivity interruptions while this work is underway. We are actively monitoring the situation and will provide a final update once the issue is fully resolved.
3. Oct 29, 2026, 13:01 UTC
   resolved
   The issue affecting Cisco Umbrella network tunnels in Australia has been resolved as of 12:46 UTC. All remediation steps are complete, and network tunnel connectivity has been fully restored. All services are now operating normally. We apologize for any inconvenience caused and thank you for your patience. We're Here to Help If you continue to experience issues, please contact our support team. Thank you for your understanding as we improve your Cisco Umbrella experience.

Updates as published by Cloud Security (original).