In the latest cybersecurity news, Shiraume Hospital — a company operating in the JP — has fallen victim to a ransomware attack conducted by the group netrunner. This data breach, discovered on 2026-04-03 20:20:45.040864, underscores the increasing need for proactive cybersecurity defenses as we continue through 2025.
In response to increasing cyber threats, it’s critical to protect your organization with proactive security measures. HookPhish provides enterprise-grade solutions designed to reduce your risk of future attacks:
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Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Shiraume Hospital |
| Threat Group | netrunner |
| Summary | 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. |
| Date of Breach | 2026-04-03 20:20:33.325910 |
| Discovery Date | 2026-04-03 20:20:45.040864 |
| Region | JP |
| Target Domain | www.shiraume.or.jp |
| Business Sector | Healthcare |
Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.
You can also check if your organization’s data has been exposed using our free Data Breach Checker.
Disclaimer: HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
