The sinobi ransomware group listed Greater Mental Health of New York on its data leak site on 2025-10-20. Country: US Sector: Healthcare Domains named: greatermentalhealth.org Claim as published on the leak site: Greater Mental Health of New York is the new name of the merged entity of The Mental Health Association of Westchester and The Mental Health Association of Rockland, two agencies who have a long history of collaboration and a shared mission and ethos for promoting mental health throughout the Hudson Valley region.