Aioi Nissay Dowa Insurance leak exposes about 444,000 customer records
Unauthorised access to Aioi Nissay Dowa Insurance's policyholder-only portal resulted in the leak of about 444,000 customer records. The leaked information included policy numbers, names, addresses and contact details, while some records also contained the last four digits of credit card numbers and partial bank account numbers. The related services were suspended.
Key facts
- Affected organisation
- Aioi Nissay Dowa Insurance
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- About 444,000 customer records
- Cause / method
- Unauthorised access to the policyholder-only portal
- Location
- Japan
If your data was exposed
Exposed dataNameAddressPhone numberCard detailsBank account
- 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.
- Turn on payment alerts in your card issuer’s app, and if you see a charge you don’t recognise, ask the issuer to block and reissue the card.
Timeline
- It was disclosed that unauthorised access to the policyholder-only portal had resulted in the leak of about 444,000 customer records.
- It emerged that the leaked information included the last four digits of some credit card numbers and partial bank account numbers, and that the related services had been suspended.
3 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.