Sep 4, 2026CORE

Abnormal Access to Some Gangnam Unni APIs Leads to Personal Data Breach

Abnormal access to some Gangnam Unni APIs related to consultation-history queries exposed customer personal data. Operator Healing Paper blocked the access path and implemented additional security measures after detecting the incident.

Sources

Notice Regarding a Personal Data Breach Affecting Some Customers
Healing PaperKOSep 7, 2026Official statement
Gangnam Unni Data Breach Affects Nearly 220,000 Users, Including Procedure, Consultation and Payment Information
NewspimKOSep 7, 2026News article

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OngoingSociety · Technology · 2026

Gangnam Unni Personal Data Breach

Tracks the September 2026 personal data breach involving abnormal access to some APIs of cosmetic medical platform Gangnam Unni, which affected 219,665 users in South Korea and overseas, as well as the ensuing investigation, regulatory review and victim response. Operator Healing Paper said the exposed data included basic personal information, requested procedures and hospital and doctor details, consultation photos, actual procedure and visit records, and some payment information.

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