Cisco Umbrella incident

Cisco Umbrella - Certificate errors with HTTPS inspection - US (Los Angeles and Miami)

Resolved after 55 minutes, affecting SWG, on July 21, 2026.

resolved Jul 21, 2026, 11:04 PM UTC

This issue has been resolved. Cisco Umbrella customers using HTTPS inspection in the Los Angeles and Miami regions should no longer experience certificate warnings or errors when accessing websites or applications inspected by Cisco Umbrella. Thank you for your patience. If you continue to experience issues, please contact Cisco Customer Support.

Started
Jul 21, 2026, 10:08 PM UTC
Resolved
Jul 21, 2026, 11:04 PM UTC
Duration
55m
Detected by Pingoru
Jul 21, 2026, 10:08 PM UTC

Affected components

SWG

Update timeline

  1. investigating Jul 21, 2026, 10:08 PM UTC

    We are investigating reports of certificate errors affecting some Cisco Umbrella customers using HTTPS inspection in the Los Angeles and Miami regions. Affected customers may experience certificate warnings or errors when accessing certain websites or applications inspected by Cisco Umbrella. Our engineering teams are actively investigating and gathering additional diagnostic information. Updates and additional details will be provided as new information becomes available. We appreciate your patience and understanding during this time.

  2. resolved Jul 21, 2026, 11:04 PM UTC

    This issue has been resolved. Cisco Umbrella customers using HTTPS inspection in the Los Angeles and Miami regions should no longer experience certificate warnings or errors when accessing websites or applications inspected by Cisco Umbrella. Thank you for your patience. If you continue to experience issues, please contact Cisco Customer Support.

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