Now Hacked
EN-GB
Data breach

Netmarble PC game portal hack leaks personal data of 6.11 million people

First reported · Last reported · 26 related reports

In November 2025, a hack of Netmarble's PC game portal revealed a leak of personal data belonging to customers, PC bang (internet café) owners, employees and others, with the number of victims confirmed at 6.11 million. A subsequent investigation found that an additional 8,048 records of personal data belonging to customer service enquirers, job applicants, business proposal contacts and others had been leaked, including 1,304 resident registration numbers. Netmarble advised users to change their passwords and apologised, and a fine was finalised over its reporting of the incident three days after becoming aware of it.

Key facts

Affected organisation
Netmarble
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
Personal data of 6.11 million people plus 8,048 additional leaked records, including 1,304 resident registration numbers among the additional data
Cause / method
Hack of PC game portal
Location
South Korea

If your data was exposed

View Netmarble notice ↗

Exposed dataNational ID number

  1. 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 ↗
  2. 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 ↗

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

Timeline

  1. It was disclosed that a hack of the PC game site had leaked data on customers, PC bang owners and employees.
  2. The number of victims was confirmed at 6.11 million, and it emerged that the incident was reported three days after the company became aware of it.
  3. An additional leak of 8,048 personal data records, including 1,304 resident registration numbers, was confirmed.
  4. A fine for the delayed reporting of the personal data breach was finalised.

26 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.