KDB Capital customer data leak
Add to my breach checkMade public · 848 customers
What leaked3
Permanent
- Resident registration number
- Date of birth
- Full name
To-dos
None of the harms this check covers.
What happened next6 events
- Undetected 2 events2 days · show events
- Response 3 eventsNo individual notice on record · Back to latest
- RemedyNone on record
- Penalty 1 eventOngoing · show events
- DisputesNone on record
Response: 3 events
Back to latest- Website notice: 848 customers' name, resident registration number and date of birth leaked
- Unauthorised access route blocked on discovery and monitoring stepped up
- Affected customers notified and warned about follow-on fraud
- Company
- KDB Capital
- When it happened
- –
- Company detected it
- Made public
- Notice
- Leak confirmed
- Affected
- 848 customers · company's notice, via press
How the facts developed
- Company's notice (press): access to some systems through an abnormal outside route found on October 12, 2026; name, resident registration number and date of birth of 848 customers leaked
Sources
- 대한민국 정책브리핑 regulator (opens in a new tab)checked October 23, 2026
- 파이낸셜뉴스 press (opens in a new tab)checked October 23, 2026
- 서울경제 press (opens in a new tab)checked October 23, 2026
- 그린포스트코리아 press (opens in a new tab)checked October 23, 2026