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Ransomware

Kyowon Group Hack Causes Data Leak and Business Disruption

First reported · Last reported · 36 related reports

Kyowon Group was hacked in January 2026, resulting in data being leaked externally and business operations being disrupted. A ransomware attack was suspected, and the company said 5.54 million customers' personal data was potentially at risk of being leaked. The Personal Information Protection Commission (PIPC) launched an investigation, but as of January 22 the scope of the personal data leak had not been confirmed.

Key facts

Affected organization
Kyowon Group
Incident type
Ransomware
Occurred / detected
Not confirmed
Scale of damage
5.54 million customers potentially affected; confirmed scale of personal data leak unknown
Cause / method
Suspected ransomware attack
Location
South Korea

Timeline

  1. The Kyowon Group hack came to light, and the company said it was checking whether personal data had been leaked.
  2. Kyowon Group confirmed that data had been leaked externally and investigated whether it included personal data.
  3. Kyowon Group said 5.54 million customers were potentially affected by the leak, and the Personal Information Protection Commission (PIPC) launched an investigation.
  4. The scope of the personal data leak remained unconfirmed.

36 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.