Gmarket possible customer data leak with e-coupon misuse
Add to my breach checkMade public
What leaked1
Hard to replace
- Other profile data
- Other profile dataitems not stated
To-dos
None of the harms this check covers.
What happened next8 events
- Undetected 1 eventNone on record · Back to latest
- Response 6 eventsNotice in 2 days · show events
- Remedy 1 eventOngoing · show events
- PenaltyNone on record
- DisputesNone on record
Undetected: 1 event
Back to latest- Third parties registered and used e-coupon PINs that customers had bought
- Company
- Gmarket
- Company detected it
- Made public
- Notice
- Possible leak
Sources
- 데일리시큐 press, No. 1 (opens in a new tab)checked November 1, 2026
- 데일리시큐 press, No. 2 (opens in a new tab)checked November 2, 2026