The alphalocker ransomware group listed www.mercantetubos.com.br on its data leak site on 2025-10-13. Country: BR Sector: Manufacturing Domains named: www.mercantetubos.com.br Claim as published on the leak site: Mangueira Indústria e Comércio de Tubos e Aços Especiais Ltda. was founded on October 3, 1972, with the objective of importing DIN ST 52 steel mechanical tubes. Later, when Mannesmann S.A. began industrializing this product line, Mangueira obtained a distribution quota for DIN ST 52 mechanical tu... Read more ⇒