CyberLynk experienced a critical incident on July 10, 2026 affecting MKE1 - Lumen, lasting 1d 8h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Jul 10, 2026, 12:16 PM UTC
One of our upstream providers in our Milwaukee data center is experiencing a regional outage and we are following their updates as they address the issue. Customers traversing this provider may have experienced a latency spike as traffic was automatically rerouted over our other providers.
- identified Jul 10, 2026, 12:46 PM UTC
Our upstream provider suspects a fiber cut and has dispatched technicians to perform light level testing on the affected fiber span.
- identified Jul 10, 2026, 03:07 PM UTC
Technicians are on site and have begun isolating the issue.
- identified Jul 10, 2026, 04:21 PM UTC
The technicians have completed fiber light testing and have engaged Outside Plant Engineering (OSPE) for next steps.
- identified Jul 10, 2026, 06:24 PM UTC
The upstream provider is continuing to isolate the fiber fault.
- identified Jul 10, 2026, 06:45 PM UTC
The upstream provider is continuing to isolate the fault and has engaged a splicing team. Our next update for this incident will be provided when there is an ETR or the fiber cut has been repaired.
- identified Jul 11, 2026, 07:00 AM UTC
The upstream provider is splicing a 72-count fiber. No ETR has been given yet.
- monitoring Jul 11, 2026, 07:32 PM UTC
The repairs are completed.
- resolved Jul 11, 2026, 08:45 PM UTC
This incident has been resolved.