OT Cybersecurity Breach Disrupts Operations at the Port of Nagoya, Japan

The Port of Nagoya experienced a LockBit-linked ransomware attack on July 5, 2023 that disrupted port communications and halted processing of imports and exports; the port operator isolated affected systems and restored operations from backups within days. The report places the incident in the wider context of ransomware targeting industrial and OT environments, cites LockBit 3.0 activity and leaked builders, and recommends OT cybersecurity measures and preparedness guidance from Dragos.