Pusher experienced a minor incident on October 27, 2025 affecting Channels WebSocket client API and Channels presence channels, lasting 1h 44m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 27, 2025, 11:50 AM UTC
We are currently experiencing disruptions with socket connections in AP1 cluster, which began at 10:00 UTC. Clients may experience reconnections. Our team is actively investigating the issue and working to restore full connectivity as quickly as possible.
- identified Oct 27, 2025, 12:22 PM UTC
A fix is implemented. We are seeing improvements and continue to actively monitor the situation to ensure full stability. During the incident, many clients successfully connected using fallback protocols.
- monitoring Oct 27, 2025, 12:41 PM UTC
We observed unusual activity on the cluster, likely caused by at least one customer experiencing a cyber attack. Our team is mitigating the issue while simultaneously increasing cluster resources to minimize impact on other customers. The cluster availability is returning to normal. We continue to monitor closely.
- monitoring Oct 27, 2025, 12:53 PM UTC
All services are now fully operational. We continue to monitor the cluster.
- resolved Oct 27, 2025, 01:34 PM UTC
This incident has been resolved.