Suspected ransomware cyber-attack disrupts Kangwon National University Hospital’s medical imaging system
Kangwon National University Hospital suffered a suspected ransomware cyber-attack in January 2026, blocking access to its medical imaging system and disrupting patient care. The attacker demanded Bitcoin worth hundreds of millions of won in return for decryption. The hospital restored the system within two days, and no personal information leak was confirmed at the time.
Key facts
- Affected organisation
- 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 cyber-attack
- Location
- South Korea
Timeline
- Reports emerged of a suspected ransomware attack in January and the restoration of the system within two days.
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 29 January 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 organisation’s official statements for accurate details.