TCPShield incident

Seoul optical issue

Major Resolved View vendor source →

TCPShield experienced a major incident on September 6, 2026 affecting Seoul, lasting 1h. The incident has been resolved; the full update timeline is below.

Started
Sep 06, 2026, 03:02 AM UTC
Resolved
Sep 06, 2026, 04:03 AM UTC
Duration
1h
Detected by Pingoru
Sep 06, 2026, 03:02 AM UTC

Affected components

Seoul

Update timeline

  1. investigating Sep 06, 2026, 03:02 AM UTC

    Our Seoul location is currently experiencing an issue with its optical transceiver resulting in traffic loss. Traffic has been automatically diverted to Tokyo until this component is replaced. We will keep this status updated as it progresses.

  2. resolved Sep 06, 2026, 04:03 AM UTC

    The spare optic has been enabled and traffic has been restored to the location as of 04:12 UTC. Traffic previously on Tokyo has moved back to Seoul.