Japan’s largest taxi operator Nihon Kotsu hit by cyberattack which forces systems to be shut down

• Japan’s largest taxi operator confirms July 11 malware attack forcing shutdowns of its IT systems and disrupted dispatch and reservation services
• Nihon Kotsu isolated networks, notified authorities, and brought in third‑party experts; customers were advised to use alternative taxi apps during the outage
• No data leaks have been confirmed, but Nihon Kotsu warned it may disclose and notify affected parties if evidence of personal information exposure emerges

Japan’s largest taxi operator, Nihon Kotsu, hasconfirmed suffering a cyberattack which forced it to temporarily shut down parts of its IT infrastructure.

In a statement published on the company’s Japanese website, Nihon Kotsu said the attack took place in the early morning of July 11 – on a Saturday, when unnamed threat actors infected its devices with malware.