Nihon Kotsu Faces Cyberattack Disrupting Taxi Services

Nihon Kotsu, Japan's largest taxi operator, reported a cyberattack on July 11, 2026, resulting in malware infection and disruption of its taxi dispatch systems. The attack forced the company to shut down critical services, including phone-based dispatch and web reservations, while the GO taxi app remains operational. The company has engaged external cybersecurity experts to investigate the incident and assess potential data leaks, although no leaks have been confirmed so far. Customers are advised to avoid suspicious communications and use alternative booking methods. The full impact of the attack is still under investigation, and no threat actor has claimed responsibility.

Key Points: • Nihon Kotsu's systems were compromised by a malware infection on July 11, 2026. • The attack disrupted taxi dispatch and reservation systems, affecting operations in Tokyo and surrounding areas. • No data leak has been confirmed, and the investigation is ongoing with external cybersecurity assistance.