Daehang Hospital website hack suspected of leaking member data
On 14 August 2026, an outsider gained unauthorised access to customer data on the Daehang Hospital website, and signs emerged that some member information had been leaked. The leaked items included names, user IDs, dates of birth, mobile phone numbers, email addresses, and online consultation requests and enquiries.
Key facts
- Affected organisation
- Daehang Hospital
- Incident type
- Data breach
- Occurred / detected
- 2026-08-14
- Scale of damage
- Personal information of some members and their online consultation requests and enquiries
- Cause / method
- Unauthorised access to customer data on the hospital website by an outsider
- Location
- South Korea
If your data was exposed
Exposed dataNamePhone numberEmailDate of birthUsernameUsage & purchase history
- Change your password, and also change it on any other site where you use the same one. Turn on two-factor authentication if available.
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
- If you’ve suffered harm, report it. Call 118 (no area code) for privacy violations, contact the police for financial losses, and apply for dispute mediation to seek compensation.Personal Information Infringement Report Centre ↗Korean National Police Agency cybercrime report ↗Personal Information Dispute Mediation Committee ↗
Timeline
- An outsider gained unauthorised access to customer data on the Daehang Hospital website.
- Signs of a leak of some member information and online consultation requests and enquiries came to light.
2 related reports
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.