Cisco Umbrella incident

[Cisco Secure Connect and Umbrella] - Connectivity Issue - Palo Alto

Minor Resolved View vendor source →

Cisco Umbrella experienced a minor incident on August 17, 2026 affecting Cloud Delivered Firewall and Data Center and 1 more component, lasting 2d 15h. The incident has been resolved; the full update timeline is below.

Started
Aug 17, 2026, 03:56 PM UTC
Resolved
Aug 20, 2026, 07:51 AM UTC
Duration
2d 15h
Detected by Pingoru
Aug 17, 2026, 03:56 PM UTC

Affected components

Cloud Delivered FirewallData CenterDNSReal Time DLPFirewallIPsec Tunnel Head-EndSWGNetwork TunnelsRemote Access (Client)SWG

Update timeline

  1. identified Aug 17, 2026, 03:56 PM UTC

    We have identified a connectivity issue affecting Cisco Secure Connect and Umbrella services in the Palo Alto data center. Customers whose traffic is routed through Palo Alto may be unable to establish new tunnels or pass traffic through existing tunnels. Cisco is actively implementing mitigation measures to restore service. We will provide further updates as more information becomes available.

  2. identified Aug 17, 2026, 04:11 PM UTC

    We are continuing to work on a fix for this issue.

  3. identified Aug 17, 2026, 04:13 PM UTC

    Cisco is actively working to mitigate the impact and restore traffic flow. We are continuing to investigate and will provide more information as it becomes available.

  4. identified Aug 17, 2026, 05:25 PM UTC

    Cisco has taken the affected Palo Alto site out of rotation to mitigate impact for Cisco Secure Connect and Umbrella traffic. Customers whose traffic was routed through Palo Alto should be redirected to available sites. We are continuing to monitor traffic recovery while working with our infrastructure provider and will provide more information as it becomes available.

  5. identified Aug 18, 2026, 04:21 PM UTC

    Recovery work is ongoing with our infrastructure provider to restore the affected connectivity path. We will share a restoration ETA as soon as one is available. We will provide further updates as more information becomes available.

  6. identified Aug 20, 2026, 07:51 AM UTC

    We are continuing with the recovery work

  7. resolved Aug 20, 2026, 07:51 AM UTC

    The connectivity issue in the Palo Alto data center is now resolved. All services are restored and the site is back in rotation. We have confirmed that traffic flow is stable. Thank you for your patience.