The chaos ransomware group listed advantech.com on its data leak site on 2026-09-29. Country: TW Sector: Manufacturing Domains named: advantech.com Claim as published on the leak site: We are publishing 5% of the total data because the company's management is ignoring the situation and has not contacted us. The company's management has exactly 48 hours to contact us; otherwise, the entire dataset will be published.