Seoul National University Details 1,132 Records Exposed in Hacking Incidents

Seoul National University reported 28 confirmed hacking incidents from 2021 through 2026, with 19 involving department systems, six research labs, two research institutes and one institutional system. The breaches exposed 1,132 personal records; 1,130 were stolen in a 2021 attack in which hackers used malware to access university servers and obtain members’ identifying information and portal IDs. The other two confirmed exposures occurred in a 2024 research institute breach involving researchers’ files, while no personal-data leaks have been confirmed in the remaining incidents. The university also recorded 588 detected and blocked hacking attempts so far in 2026, up from 561 in 2024 and 575 in 2025, and said it responds to confirmed attacks to limit damage.