Cisco Umbrella incident

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

Minor Resolved View vendor source →

Cisco Umbrella experienced a minor incident on December 30, 2025 affecting SWG and SWG and 1 more component, lasting 6h 1m. The incident has been resolved; the full update timeline is below.

Started
Dec 30, 2025, 12:14 PM UTC
Resolved
Dec 30, 2025, 06:15 PM UTC
Duration
6h 1m
Detected by Pingoru
Dec 30, 2025, 12:14 PM UTC

Affected components

SWGSWGSWG

Update timeline

  1. investigating Dec 30, 2025, 12:14 PM UTC

    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.

  2. monitoring Dec 30, 2025, 01:26 PM UTC

    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.

  3. monitoring Dec 30, 2025, 02:52 PM UTC

    We are continuing to monitor for any further issues.

  4. resolved Dec 30, 2025, 06:15 PM UTC

    This incident has been resolved.