Malware Hits Japan’s Largest Taxi Company Nihon Kotsu, Services Temporarily Suspended
Japan’s largest taxi operator Nihon Kotsu shut down systems after a malware attack, disrupting dispatch and bookings. Nihon Kotsu, Japan’s largest taxi company, disclosed on July 13, 2026 that its internal systems suffered an unauthorized external access involving malware infection in the early morning hours of Saturday, July 11. The company immediately shut down systems […]
Nihon Kotsu, Japan’s largest taxi company, disclosed on July 13, 2026 that its internal systems suffered an unauthorized external access involving malware infection in the early morning hours of Saturday, July 11. The company immediately shut down systems as an emergency measure to contain the damage. As a result, its online car hire reservation system, telephone-based taxi dispatch service, and several internal systems are currently unavailable.
The company’s public notice was direct about the sequence of events.
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