Nihon Kotsu, Japan’s largest taxi operator, disclosed a cyberattack that disrupted key systems, including its taxi dispatch service, and forced parts of its infrastructure offline. The company is investigating possible data leakage with external cybersecurity experts, while no threat actor or ransomware group has claimed responsibility yet. #NihonKotsu #GO
Keypoints
- Nihon Kotsu confirmed unauthorized external access and malware infection.
- The attack forced the company to disconnect systems and shut down part of its infrastructure.
- Taxi dispatch, web booking, reservation management, and some internal systems remain unavailable.
- The company advised customers to use the GO app or visit a nearby taxi stand.
- Investigators are checking for possible data leakage, but no group has claimed the attack.