The qilin ransomware group listed HECTOR MARTINEZ SOSA Y CIA SA on its data leak site on 2023-05-19. Sector: Financial Services Domains named: hmsosa.com Claim as published on the leak site: HMSOSA is a group of companies in the insurance industry, responding to all the needs of individuals, companies and organizations, public and private. We have our own offices in CABA, Rio Grande, Ushuaia, Rio Gallegos, Vicente Lopez and Mar d ...