Cisco Umbrella incident

Cisco Umbrella – Connectivity Issues – Miami

Resolved after 30 minutes, affecting Cloud Delivered Firewall and DNS and 1 more, on October 21, 2026.

investigating Oct 21, 2026, 02:32 AM UTC

Between 01:35 UTC and 02:05 UTC, some customers connecting through the Miami data center may have experienced intermittent connectivity or traffic disruption. The issue has been resolved, and 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 have any questions, please contact our support team. Thank you for your understanding as we improve your Cisco Secure Access experience.

Started
Oct 21, 2026, 01:35 AM UTC
Resolved
Oct 21, 2026, 02:05 AM UTC
Duration
30m
Detected by Pingoru
Oct 21, 2026, 01:35 AM UTC

Affected components

Cloud Delivered FirewallDNSReal Time DLPSWGNetwork Tunnels

Update timeline

  1. investigating Oct 21, 2026, 02:32 AM UTC

    Between 01:35 UTC and 02:05 UTC, some customers connecting through the Miami data center may have experienced intermittent connectivity or traffic disruption. The issue has been resolved, and 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 have any questions, please contact our support team. Thank you for your understanding as we improve your Cisco Secure Access experience.

  2. resolved Oct 21, 2026, 02:33 AM UTC

    This incident has been resolved.

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