Cisco Umbrella incident

Remote Access (Client) Traffic Interruption – London on November 18th

Notice Resolved View vendor source →

Cisco Umbrella experienced a notice incident on November 18, 2025, lasting 3h 52m. The incident has been resolved; the full update timeline is below.

Started
Nov 18, 2025, 06:07 PM UTC
Resolved
Nov 18, 2025, 10:00 PM UTC
Duration
3h 52m
Detected by Pingoru
Nov 18, 2025, 06:07 PM UTC

Update timeline

  1. resolved Nov 18, 2025, 06:07 PM UTC

    Remote Access (Clients) may have experienced a a brief 15-minute traffic interruption during this period at the London data center. Timeframe: London: 16:00 UTC – 16:35 UTC, November 18th, 2025 We apologize for any inconvenience this may have caused and appreciate your understanding.