The medusa ransomware group listed Appalachian Regional Commission on its data leak site on 2025-04-27. Country: US Sector: Government & Defense Domains named: arc.gov Claim as published on the leak site: Appalachian Regional Commission is an economic development agency of the federal government and 13 state governments focusing on 423 counties across the Appalachian Region. Appalachian Regional Commission corporate office is located in 1666 Connecticut Ave NW Ste 700, Washington, District of Columbia, 20009, United States and has 110 employees.