Nippon Medical School Musashi Kosugi Hospital
bd_59eacc9f6b44be0c · schema v1 · pii pii-v1
Full breach record for Nippon Medical School Musashi Kosugi Hospital →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Netrunner on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
Nippon Medical School Musashi Kosugi Hospital is a 372-bed regional teaching hospital in Nakahara-ku, Kawasaki (Musashi-Kosugi area), affiliated with Nippon Medical School. Established in 1937, it offers comprehensive services across 36 clinical departments, including emergency and critical care, ICU, NICU, perinatal and pediatric care, cancer treatment, and minimally invasive endovascular procedures. The hospital serves as a regional hub with disaster-resistant facilities and an on-site heliport, and emphasizes advanced, patient-centered care and medical education.
Source provenance
- Source URL
- https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Apr 3, 2026
- Raw hash
- 013832009af1a8949c13d7a772e85255247a106e46165d35648656b44e0cd3bd
Reporting entity
- Name
- netrunner
Victim entity
- Name
- Nippon Medical School Musashi Kosugi Hospitalnorm: nippon medical school musashi kosugi hospital
- Domain
- nms.ac.jp
- Industry
- Healthcare
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· netrunner
- Threat actor
- NetrunnerExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.