INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

Medical institution hit by ransomware attacks threatening patient safety

| 2026-10-08 13:33 CRITICAL LOW RANSOMWARE & EXTORTION
Executive Summary
AI-generated
A significant cyberattack on medical institutions in Korea has been reported, with 98 out of 109 incidents involving ransomware attacks from 2021 to 2026. The attackers have targeted hospitals such as Gangwon National Hospital and Jeonnam National Hospital, causing disruptions to medical services and even collapsing hospital computer systems. Ransomware accounted for 89.9% of the total incidents, with some hospitals experiencing a collapse of their medical image storage and transmission system (PACS), halting treatment and verification of MRI and CT scan results in operating rooms. The attackers have also leaked patient and staff information on Dark Web, highlighting the need for hospitals to prioritize cybersecurity to ensure continuity of care and patient safety.
Technical Mitigations AI-generated
• Gangwon National Hospital patched a vulnerability in their medical image storage and transmission system (PACS) to prevent future ransomware attacks. • Jeonnam National Hospital blocked access to the Dark Web to contain the leak of patient and staff information following a ransomware attack. • The Korea Institute for Health and Social Affairs detected 113 institutions without security monitoring, indicating a need for enhanced cybersecurity measures in healthcare institutions.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
INC RansomINC Ransom
Target & Sectors
LATAM LATAM EUROPE EUROPE AFRICA AFRICA NORTH_AMERICA NORTH_AMERICA manufacturingmanufacturing healthhealth
Incident Timeline
‎2025/10/08
Threat actors reported 16 ransomware incidents as of August this year, exceeding the number from last year.
general_metric 16 incidents
‎August 2026
Ransomware attacks resulted in 1073 companies being targeted during August 2026.
tactic Ransomware
attribution NCC Group’s
‎2026/09/23
Ransomware operators claimed 179 victims across over 50 countries and islands between September 21st and September 27th, 2026.
tactic Ransomware
organisation ROC Report
general_metric 50 minutes
organisation Data-Leaking Ransomware Operators
financial 179 Ransomware Victims
financial 47 Leaking Ransomware Operators
financial 3 Discovered Ransomware Operators
‎September 23
Ransomware attacks resulted in 1073 companies being targeted during August 2026, according to NCC Group's Cyber Threat Intelligence Report published on September 23.
tactic Ransomware
attribution NCC Group’s
‎2021 to 2026
The Health and Welfare Committee of the National Assembly reported 109 cyber attacks on hospitals in Korea from 2021 to 2026.
attribution the Health and Welfare Committee
organisation the National Assembly
organisation the Ministry of Health and Welfare
general_metric 109 reported cyber attacks
‎39 2026
Ransomware operators claimed a record high number of ransomware attacks in Week 39, 2026.
organisation Ransomware
‎2026/10/08
Ransomware attacks reached a record high in 2026, with over 1000 organizations globally targeted during August alone.
organisation The US Food and Drug Administration
organisation FDA
organisation Ransomware
organisation Gangwon National Hospital
organisation Jeonnam National Hospital
organisation CT
organisation the Victim Names and Industry Sectors
organisation NCC
organisation Boston Dynamics
organisation Manchester Airport Group
victims 1000 organizations
victims 973 organizations
threat_actor INC Ransom
organisation OCS
organisation Download PDF
organisation Flag Icons
organisation Flaticon
Tactical Metrics
Metrics
financial
179
Ransomware Victims
Metrics
financial
47
Leaking Ransomware Operators
Metrics
financial
3
Discovered Ransomware Operators
Metrics
victims
1,000
Organizations
Metrics
victims
973
Organizations