Teollimi
South Korea·Retail·Announced by the organization or a regulator

Gmarket data breach (Oct 2026)

What happened

Gmarket customers were breached, with personal information and e-coupon pin numbers leaked due to unauthorized access through an external service API vulnerability.

This page summarizes and translates our record written in Korean. Counts and dates come from that record unchanged. Read the original record →

Facts on record

Country
South Korea
Industry
Retail
Announced
Oct 30, 2026
Affected
900,000 people
Data exposed
Addresses, email addresses, phone numbers, names
Status
Announced by the organization or a regulator
Compensation and penalties
Compensation or a settlement on record

Sources