The snatch ransomware group listed MSSNY on its data leak site on 2023-05-22. Sector: Healthcare Domains named: mssny.org Claim as published on the leak site: The Medical Society of the State of New York (MSSNY) is an organization of approximately 30,000 licensed physicians, medical residents, and medical students in New York State. Members participate in both the state society and in their local county medical societies.