Nihon Kotsu, one of Japan’s largest taxi operators, confirmed unauthorized access to its internal systems and a malware infection that disrupted phone taxi dispatch and reservation-related services. The company isolated affected systems, is investigating with cybersecurity experts, and said no customer data leakage has been detected so far. #NihonKotsu
Information
- Victim: Nihon Kotsu
- Website: nihonkotsu.co.jp
- Country: Japan
- Date Reported: 2026-07-11
Keypoints
- Nihon Kotsu confirmed unauthorized access to its internal systems.
- The company also reported a malware infection.
- Phone-based taxi dispatch and some reservation systems were temporarily disrupted.
- Car rental reservation management and certain internal systems were isolated immediately.
- Mobile app-based booking through GO remained operational for the public.
- Traditional taxi pickups also continued as normal.
- No customer data leak has been detected at this time, and the investigation is ongoing.
Read More: https://www.ithome.com.tw/news/177301