Nihon Kotsu Cyberattack Disrupts Taxi Services in Japan

On July 11, 2026, Nihon Kotsu, Japan's largest taxi operator, experienced a cyberattack that compromised its internal systems through malware infection. This incident forced the company to shut down its taxi dispatch system and other critical services, impacting operations for its fleet of 8,558 taxis and over 2,000 chauffeur vehicles. The company, which generates approximately ¥155 billion annually, has advised customers to use the GO taxi app or hail taxis directly while the systems remain offline. Nihon Kotsu is collaborating with external cybersecurity experts to investigate the breach and assess potential data exposure. As of now, no data leaks have been confirmed, but the investigation is ongoing. The company has also warned customers against opening suspicious communications claiming to be from Nihon Kotsu.

Key Points: • Nihon Kotsu's systems were compromised via malware, disrupting taxi services. • The company has engaged external cybersecurity specialists for investigation and recovery. • No confirmed data leaks have been reported, but the investigation is ongoing.