Yonsei University portal breach exposes data of about 10,000 students and alumni
A cyberattack on Yonsei University's portal leaked personal details of roughly 10,000 current students and graduates, prompting an apology and a police investigation.
Yonsei University announced that an unauthorized intrusion into its portal service resulted in the exposure of personal data belonging to approximately 10,000 students and graduates. The leaked information includes student identification numbers, mobile phone numbers and email addresses, while more sensitive data such as resident registration numbers remained secure. The university's information and communications office verified the breach and issued an apology for the inconvenience caused.
Immediate measures were taken to seal the breach point, and a police inquiry has been requested. The institution will publish specifics about the types of data affected for each individual on its website from 1 p.m. Thursday. Authorities are now examining the incident to determine the perpetrators and prevent future attacks.
Why it matters
The breach reveals vulnerabilities in a major university's digital systems, risking privacy for thousands of students and alumni.
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