CLIMEDI Data Breach: The Gentlemen Ransomware Claim (Oct 2026)
Summary
In the latest cybersecurity news, CLIMEDI — an organization based in BR — has fallen victim to a ransomware attack conducted by the group thegentlemen. This data breach, discovered on 2026-10-16T09:30:49.424631+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | CLIMEDI |
| Threat Group | thegentlemen |
| Summary | climedi.com.br CLIMEDI private multidisciplinary medical clinic and diagnostic center in Aracaju, Sergipe, Brazil — founded 5 Oct 1977 by Dr. João Antônio Macedo Santana (endocrinologist & nuclear medicine physician, UFS professor, SUNY Upstate NY–trained). Family-run (Santana-Macedo dynasty: João, son Gustavo, daughter Sara), with 76–121 staff, 50+ physicians across 3 units. Its unique regional edge: full nuclear medicine — PET-CT, scintigraphy, and I-131 thyroid cancer therapy with 5 CNEN-compliant isolation suites — plus 20+ specialties (endocrinology, cardiology, gastro, mastology, orthopedics, ENT, neuro) and complete diagnostics (MRI, CT, mammography, endoscopy, bone densitometry, 54+ tests). Quality credentials: PNCQ “Excelente” (highest tier), SBAC, DICQ; registered in CNES, works with SUS, private insurers, and union health plans (APCEF+). Government payments total R$ 11M+ (Portal da Transparência); private revenue undisclosed (est. R$ 20–50M/yr). |
| Date of Breach | 2026-10-14T20:56:53+00:00 |
| Discovery Date | 2026-10-16T09:30:49.424631+00:00 |
| Region | BR |
| Target Domain | climedi.com.br |
| Business Sector | Healthcare |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- keep watch on the dark web — close the gap attackers exploit.
- real-time breach alerts — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish 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.
