Sinalisa Segurança Viária Ltda — Ransomware Incident Claimed by Sarcoma
Sinalisa Segurança Viária Ltda Sinalisa's history began about four decades ago when the company was founded by the Ypiranga S/A group in 1971 in Rio de Janeiro. In 1982, it was acquired by the ERITRAM group and its headquarters were transferred to the capital of São Paulo.