Japanese High-performance Automotive Suspension Manufacturer Force to Halt Production in Japan and China
INCIDENT
TEIN, Inc. suffered a ransomware attack on October 31, 2025. The attack hit the main server, affecting all group companies. Japan HQ factory halted production for one day.
The subsidiary factory in China (TEIN Shock Absorber Manufacturing (Jiangsu) Co., Ltd.) was forced to shut down for one week (from November 3). The company is compensating for the lost time by operating on weekends and expects the final impact to be minimal. Their order/shipping system runs on a separate server and was NOT hit by the incident.
The company has not yet confirmed a data leak, internally or externally.
Incident Date
October 31, 2025
Estimated Cost
HQ production halted for 1 day; China factory closed for 1 week.
Type of Malware
No Malware identified
Threat Source
No threat source identified
Industries
Impacts
OT IT