Nihon Kotsu Confirms Cyberattack That Disrupted Taxi Dispatch Services

Summary
Nihon Kotsu confirmed unauthorized access to internal systems and a malware infection that disrupted phone dispatch and some reservation services. Affected systems were isolated; app bookings remained available, and no customer data leak has been detected so far.
Key points
- Nihon Kotsu confirmed unauthorized access to its internal systems and a malware infection.
- Phone-based taxi dispatch and some reservation-related services were temporarily disrupted.
- The company isolated affected systems, including car rental reservation management and certain internal systems.
- Bookings through the GO mobile app remained operational, and traditional taxi pickups continued.
- No customer data leakage had been detected at the time of the report; the investigation was ongoing.
Article Details
- Victim Organization
- Nihon Kotsu
- Victim Domain
- nihonkotsu.co.jp
- Incident Type
- Unauthorized access and malware infection causing temporary service disruption
- Disclosure Date
- 2026-07-11
- Operational Impact
- Phone-based taxi dispatch and some reservation-related services were temporarily disrupted. Car rental reservation management and certain internal systems were isolated. Booking through the GO mobile app and traditional taxi pickups continued operating. The investigation is ongoing.
- Claim Status
- confirmed
