Outage in Cisco Umbrella

Significant number of fail opens and timeouts in multiple DC's.

Resolved Minor

December 30, 2025 - Started 4 months ago - Lasted about 6 hours
Official incident page

Incident Report

We are currently experiencing a service performance issue affecting multiple data centers. You may notice an increased number of fail opens and timeouts, resulting in delays or failures when making requests. Our engineers are currently working to identify the root cause and implement a resolution. Updates will be provided as new information becomes available.

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Latest Updates ( sorted recent to last )

RESOLVED 4 months ago - at 12/30/2025 06:15PM

This incident has been resolved.

MONITORING 4 months ago - at 12/30/2025 02:52PM

We are continuing to monitor for any further issues.

MONITORING 4 months ago - at 12/30/2025 01:26PM

We identified issues and implemented a fix at 13:12 UTC.
Subsequent internal checks indicate everything is working fine now. The team continues to monitor the situation closely.

INVESTIGATING 4 months ago - at 12/30/2025 12:14PM

We are currently experiencing a service performance issue affecting multiple data centers. You may notice an increased number of fail opens and timeouts, resulting in delays or failures when making requests.

Our engineers are currently working to identify the root cause and implement a resolution. Updates will be provided as new information becomes available.

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