The kazu ransomware group listed Centro Médico Especializado OSI: Healthcare Solutions on its data leak site on 2026-08-23. Country: MX Sector: Healthcare Domains named: centromedicoosi.com Claim as published on the leak site: Centro Médico Especializado OSI is a healthcare provider based in Peru that specializes in physical medicine, rehabilitation, physiotherapy, chiropractic care, and alternative medicine treatments. Founded in 1999 and headquartered in Lima, OSI has grown into one of the country's largest rehabilitation and physiotherapy networks, operating multiple clinics across the Lima metropolitan area. wellness network in Peru, focused on helping patients recover mobility, reduce pain, and improve their quality of life through specialized medical and therapeutic care.