The insomnia ransomware group listed Optimum Health Institute on its data leak site on 2026-02-07. Country: US Sector: Healthcare Domains named: www.optimumhealth.org Claim as published on the leak site: Optimum Health Institute (OHI) runs faith-based, holistic 3-week wellness retreats in San Diego and Austin. Combining classes, activities, and nutrient-rich meals, OHI supports body, mind, and spirit for stress reduction, fitness, and spiritual growth.