Gangnam Unni Data Breach Exposes 220,000 Users' Sensitive Information

Gangnam Unni, a cosmetic medical services platform, suffered a data breach due to unauthorized API access, affecting nearly 220,000 users globally. The leaked data includes names, phone numbers, email addresses, consultation records, and payment information. The breach primarily impacted users in Korea (160,000), Japan (48,000), and other countries. Healing Paper, the operator, detected suspicious activity and blocked the access route but found the attacker attempted to re-enter through another route. Affected users have been notified and can check their exposed data on the Gangnam Unni website for 30 days. The company has advised users to be cautious of phishing attempts related to the breach.

Key Points: • Unauthorized API access led to the exposure of sensitive data for 220,000 users. • Leaked information includes personal details, consultation records, and payment information. • Users are advised to be vigilant against phishing scams following the breach.