The rhysida ransomware group listed Senior Support Services on its data leak site on 2025-03-27. Country: CA Sector: Healthcare Domains named: cphcare.ca Claim as published on the leak site: Senior Support Services Senior Support Services (CPHC) first began serving the seniors of Brockville in 1913. By 1970, Senior Support Services (CPHC) had expanded throughout Lanark, Leeds and Grenville to serve communities such as Smiths Falls, Carleton Place, and Gananoque.