Teollimi
South Korea·Education·Announced by the organization or a regulator

Yonsei University data breach (Oct 2026)

What happened

Unauthorized external access to Yonsei University's portal service exposed student and staff personal data, including IDs, names, phone numbers, and email addresses; resident registration numbers were not compromised. The university reported the breach to authorities.

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Facts on record

Country
South Korea
Industry
Education
Announced
Oct 22, 2026
Affected
15,000 people
Data exposed
Email addresses, phone numbers, names
Status
Announced by the organization or a regulator
Compensation and penalties
None on record

Sources