The medusa ransomware group listed National Safety Council on its data leak site on 2025-03-20. Country: US Sector: Government & Defense Domains named: nsc.org Claim as published on the leak site: The National Safety Council (NSC) (founded in 1913) is a nonprofit, nongovernmental public service organization dedicated to protecting life and promoting health in the United States of America. National Safety Council corporate office is located in 1121 Spring Lake Dr, Itasca, Illinois, 60143, United States and has 501 employees.