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Data breach

Circle Chart hack leaks 65,394 personal data records

First reported · Last reported · 3 related reports

A hack of the Circle Chart website, operated by the Korea Music Content Association, leaked 65,394 personal data records, including names, user IDs, passwords and email addresses, as well as 3,856 resident registration numbers. The association apologized for how the additional scale of the leak was identified following the May 2025 breach and for the delay in notification.

Key facts

Affected organization
Korea Music Content Association
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
65,394 personal data records and 3,856 resident registration numbers
Cause / method
Hack of the Circle Chart website
Location
South Korea

If your data was exposed

View Korea Music Content Association notice ↗

Exposed dataNameEmailNational ID numberUsernamePassword

  1. Change your password, and also change it on any other site where you use the same one. Turn on two-factor authentication if available.
  2. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
  3. Block new mobile phone activations in your name, and register with the Financial Supervisory Service as a person whose personal data was exposed to strengthen identity checks on financial transactions in your name. If a copy of your ID was leaked, consider having it reissued.Identity theft prevention service (M-Safer) ↗Personal data exposure accident prevention system ↗
  4. 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 Center ↗Korean National Police Agency cybercrime report ↗Personal Information Dispute Mediation Committee ↗

Lookup and notice links are official pages found by AI. Make sure the address is on the organization’s official domain before using it.

Timeline

  1. The leak of personal information, including passwords and resident registration numbers, at the Korea Music Content Association was made public.
  2. The scale of the leak, 65,394 personal data records and 3,856 resident registration numbers, was disclosed, and the association apologized for the delay in notification, among other things.

3 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.