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Cyberattacks Target Small Korean Healthcare Providers Amid Low Security Monitoring Participation

Cyberattacks Target Small Korean Healthcare Providers Amid Low Security Monitoring Participation

First seen 19 Oct 2026, 12:49 UTC • •
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ThreatCluster AI
ThreatCluster •October 19, 2026 at 14:52 UTC
  • •90% of cyberattacks on healthcare institutions target small hospitals and clinics.
  • •Only 63 out of 75,560 small medical institutions are enrolled in the KSSIS cybersecurity monitoring service.
  • •Ransomware attacks account for 91% of reported incidents in the healthcare sector.

In South Korea, nearly 90% of cyberattacks on private healthcare institutions affected small hospitals and clinics, with only 63 medical institutions enrolled in the government's 24-hour cybersecurity monitoring service as of September 30, 2026. The Korea Social Security Information Service (KSSIS) reported that among smaller hospitals and clinics, participation was a mere 0.006%. From January to September 2026, 28 cyber incidents were reported, with 25 occurring at these smaller facilities. Ransomware was the predominant attack method, accounting for 91% of the 133 incidents recorded since 2020. Institutions using the KSSIS service reported no successful breaches despite numerous cyber intrusion attempts. Lawmaker So Beoung-hoon emphasized the need for increased funding and support for smaller healthcare providers to enhance their cybersecurity measures.

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Timeline

2026-09-30
KSSIS enrollment data reported
Only 63 medical institutions had enrolled in the KSSIS cybersecurity monitoring service, highlighting a severe security gap.
Koreabiomed
2026-10-18
Cyber incident reports released
28 cyber incidents were reported in the healthcare sector from January to September 2026, with 89.3% occurring at small hospitals and clinics.
Biz.Chosun
2026-10-19
Current cybersecurity status discussed
Rep. So Beoung-hoon urged for increased support and funding for small healthcare providers to improve cybersecurity measures.
Koreabiomed

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Common questions

What types of attacks are most common?
Ransomware attacks are the most prevalent, accounting for 91% of reported incidents in the healthcare sector.
How many institutions are enrolled in the KSSIS service?
As of September 30, 2026, only 63 medical institutions are enrolled in the KSSIS cybersecurity monitoring service.
What measures are being proposed for small hospitals?
Rep. So Beoung-hoon has called for increased funding and support to help small healthcare providers improve their cybersecurity infrastructure.