The insomnia ransomware group listed Flint Hills Dialysis on its data leak site on 2026-02-07. Country: US Sector: Healthcare Domains named: www.fhdks.com Claim as published on the leak site: Flint Hills Dialysis focuses on dialysis and chronic kidney disease management, creating personalized treatment plans to improve patients' lives. With clinics in Manhattan and Marysville, Kansas, their team emphasizes patient education and compassionate care.