Keihan group warns of possible LINE data leak involving about 250,000 customer entries
Keihan Holdings announced that information including IDs for approximately 250,000 customer entries, counting repeat registrations, may have leaked from customers who had added five official LINE accounts run by four group companies as friends. Names and addresses may also have leaked for up to approximately 30,000 of those entries. The cause was reported to be unauthorised access to Sonicmoov, which provides services that extend LINE's functionality.
Key facts
- Affected organisation
- Keihan Holdings
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Potential leak of customer information, including LINE IDs, covering approximately 250,000 customer entries, counting repeat registrations. Names and addresses may also be included for up to approximately 30,000 of those entries.
- 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
- It was reported that unauthorised access may have exposed LINE information for up to just over 220,000 people.
1 related reports
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.