Suspected ransomware attack disrupts Kangwon National University Hospital’s medical imaging system
Kangwon National University Hospital suffered a suspected ransomware attack in January 2026 that blocked access to its medical imaging system and disrupted patient care. The attacker demanded Bitcoin worth hundreds of millions of won in exchange for decryption. The hospital restored the system within two days, and no personal information leak was confirmed at the time.
Key facts
- Affected organization
- Kangwon National University Hospital
- Incident type
- Ransomware
- Occurred / detected
- Not confirmed
- Scale of damage
- Blocked access to the medical imaging system and disruption to patient care
- Cause / method
- Suspected ransomware attack
- Location
- South Korea
Timeline
- A suspected ransomware attack that occurred in January and the restoration of the system within two days were reported.
2 related reports
Other incidents at Kangwon National University Hospital
Kangwon National University Hospital restores imaging system crippled by ransomware
Impact: Picture archiving and communication system (PACS) crippled
The picture archiving and communication system (PACS) at Kangwon National University Hospital was crippled by a ransomware attack. News of the system's restoration emerged on January 29, 2026, and the hospital said there had been no disruption to patient care.
Related reports: 2 →
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.