Nihon Kotsu experienced a cyberattack involving unauthorized external access through malware infection, leading to the shutdown of key operational systems such as taxi dispatch and booking services. The company took immediate containment actions by disconnecting systems to prevent further damage. The incident has caused significant operational disruption, including suspension of specific services like the labor taxi service in several Japanese cities. The investigation is ongoing, with no confirmed data breach at this time. External cybersecurity experts are assisting in recovery and forensic analysis. Customers are warned against phishing attempts related to the incident. No known exploit or ransomware group has been linked to the attack.

The cyberattack caused operational disruption to Nihon Kotsu's taxi dispatch, booking, and reservation systems, affecting service availability and customer access. Specific services, including labor taxi bookings in multiple cities, were suspended. The incident may impact customer trust and business revenue. There is no confirmed data breach or leak at this stage, but the possibility is under investigation. The company’s infrastructure remains partially offline, indicating ongoing recovery efforts.

Nihon Kotsu has implemented emergency containment by disconnecting affected systems to prevent further damage. External cybersecurity experts are engaged to investigate and assist with system recovery. Customers are advised to avoid opening suspicious attachments or clicking links in unsolicited communications claiming to be from the company. No official patch or fix is applicable as this is an incident response to a targeted cyberattack. Continued monitoring and updates from the company should be followed for further guidance.