Shiraume Hospital
About the organisation
Shiramume Hospital is a regional general hospital in Japan providing comprehensive inpatient and outpatient care. It offers services in internal medicine, surgery, emergency care, obstetrics/gynecology, and rehabilitation, supported by diagnostic imaging and laboratory facilities.
What the listing means
Shiraume Hospital appeared on the netrunner leak site on 03 April 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has not published new claims in the last 30 days.
Recommended actions
- Treat any unsolicited message referencing Shiraume Hospital as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on www.shiraume.or.jp, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Healthcare organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/U2hpcmF1bWUgSG9zcGl0YWxAbmV0cnVubmVy
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
