Wave of Unauthorised Access and Data Leaks at Japanese Companies
A string of unauthorised access incidents and customer data leaks has been confirmed at Japanese companies. Online security breaches at Tokyo railway operators and an information leak at an Osaka IT company were also reported. A common cause for the individual incidents, the overall scale of the damage and the specific response measures have not been confirmed.
Key facts
- Affected organisation
- Being confirmed
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Not confirmed
- Cause / method
- Unauthorised access
- Location
- Japan
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- An online security breach at Tokyo railway operators was reported.
- As unauthorised access spread, further customer data leaks at Japanese companies were reported.
- Unauthorised access and personal data leaks in Japan were reported to have surged.
- Additional personal data leaks at Japanese companies were reported.
- An information leak at an Osaka IT company was reported.
8 related reports
- Tokyo rail firms report online security breaches | NHK WORLD-JAPAN News
- Ransomware attack paralyzes Japan's largest rail operator
- More Japan firms report customer data leaks as unauthorized access widens
- Unauthorized access, personal data leaks surge in Japan | NHK WORLD-JAPAN News
- Japan cloud service hit by ransomware attack | NHK WORLD-JAPAN News
- Microsoft: Ransomware attacks increasing in Japan | NHK WORLD-JAPAN News
- More Japanese companies report personal data breaches | NHK WORLD-JAPAN News
- Data breaches continue: latest at Osaka IT firm | NHK WORLD-JAPAN News
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.