Ransomware Group thegentlemen Hits: Santa Casa de Assis
Summary
In the latest cybersecurity news, Santa Casa de Assis — a company operating in the BR — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2025-12-24 10:01:12.281881, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Santa Casa de Assis |
| Threat Group | thegentlemen |
| Summary | www.santacasadeassis.org.br https://www.zoominfo.com/c/santa-casa-de-assis/425726597 Santa Casa de Assis is a longstanding private health care institution in Assis, São Paulo, Brazil. Founded in 1919 and now holding the CEBAS (Certificate of Beneficent Entity in Social Assistance in Health), it operates one of the region’s most complete and modern hospital complexes, offering services such as emergency care, maternity, surgical and intensive care units, advanced orthopedics, hemodynamics, laboratory diagnostics, and specialized clinics. |
| Date of Breach | 2025-12-24 09:30:43.000000 |
| Discovery Date | 2025-12-24 10:01:12.281881 |
| Region | BR |
| Target Domain | www.santacasadeassis.org.br |
| Business Sector | Healthcare |
Recommended Security Actions
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How HookPhish Helps You Stay Ahead
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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.

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