Government / Oklahoma Cheyenne and Arapaho Tribes say ransomware disrupted tribal systems Officials say phones, email and computers were knocked offline as investigators work with federal authorities; restoration continues in phases By DysruptionHub Staff / 17 Feb 2026
Government / United Keetoowah Band in Oklahoma cites IT issue as ransomware site lists tribe Rhysida claim appears on ransomware tracking site, but tribe has not confirmed an attack By Joseph Topping / 12 Dec 2025