The medusa ransomware group listed ATIRG on its data leak site on 2025-10-27. Country: FR Sector: Healthcare Domains named: atirg.fr Claim as published on the leak site: ATIRG (Association pour le Traitement de l’Insuffisance Rénale en Guyane) is a non-profit medical organization located in French Guiana, dedicated to providing dialysis treatment and kidney care for patients suffering from chronic renal failure. Established in 1981, ATIRG operates several autodialysis centers in Cayenne, Kourou, and Saint-Laurent-du-Maroni, offering patients the opportunity to manage their own dialysis under professional supervision. The organization focuses on improving patients’ quality of life through medical care, training, and nutritional support. ATIRG works closely with local hospitals and healthcare professionals to ensure safe, effective, and continuous kidney treatment across the region. company is headquartered in 1361 Route de Baduel, 97300 Cayenne, French Guiana.