The beast ransomware group listed ACMARK on its data leak site on 2025-07-29. Country: CZ Sector: Manufacturing Domains named: www.acmark.com Claim as published on the leak site: ACMARK s r o is a company that operates in the Repair Services industry. It employs 10to19 people and has 1Mto5M of revenue. The company is headquartered in Brno, South Moravian, Czech Republic.