Cyberattack Disrupts Nihon Kotsu Taxi and Booking Systems
Summary
Nihon Kotsu confirmed unauthorized access and malware infection, taking systems offline. Taxi dispatch, booking and reservation services are disrupted; possible data leakage is under investigation, with no leak confirmed.
Key points
- Nihon Kotsu said it confirmed unauthorized external access and malware infection over the weekend.
- The company disconnected systems to limit further damage, leaving taxi dispatch, web booking, reservation management and some internal systems unavailable.
- The company is investigating possible data leakage with external cybersecurity experts; no leak has been confirmed.
- A specialized taxi service for pregnant women is suspended in several areas, and customers were advised to use the GO app or visit a taxi stand.
- Nihon Kotsu advised customers not to open suspicious attachments or click links in messages claiming to come from the company.
- No ransomware group or extortion gang had claimed responsibility at the time of reporting.
Article Details
- Victim Organization
- Nihon Kotsu
- Incident Type
- Cyberattack involving confirmed unauthorized external access and malware infection
- Operational Impact
- Nihon Kotsu disconnected systems and shut down part of its infrastructure. Taxi dispatch, web booking, reservation management, telephone dispatch, and some internal systems were unavailable. The company also suspended its labor taxi service in specified areas.
- Ransom Or Extortion
- No ransomware group or extortion gang had claimed responsibility at the time of reporting.
- Claim Status
- confirmed