CyberLynk experienced a major incident on May 31, 2026 affecting MKE1 Core Datacenter Infrastructure and Voice Over IP Services (MKE1) and 1 more component, lasting 9h 50m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 31, 2026, 06:03 PM UTC
Our monitoring systems have detected a network outage in our MKE1 data center and an update will be provided shortly
- investigating May 31, 2026, 07:43 PM UTC
Our engineers have confirmed an issue causing high packet loss / latency at our MKE1 data center and are working on a resolution.
- identified May 31, 2026, 09:24 PM UTC
Our NOC has identified a DDoS attack impacting traffic at our MKE1 data center. We are working with our upstream providers to mitigate the issue and will continue to provide updates as information is available.
- identified May 31, 2026, 10:59 PM UTC
We continue to work with our upstream providers to mitigate the issue.
- monitoring Jun 01, 2026, 01:29 AM UTC
Customers should begin seeing improvements as our NOC continues to mitigate this large scale attack. We will provide another update within one hour. Thank you for your patience.
- monitoring Jun 01, 2026, 03:19 AM UTC
All services have been restored and we are continuing to monitor.
- resolved Jun 01, 2026, 03:54 AM UTC
This incident has been resolved. For any customers experiencing unrelated issues, please open a support ticket and we'll be happy to assist. We thank you for your patience.