The interlock ransomware group listed Delta Manufacturing on its data leak site on 2026-03-18. Country: US Sector: Manufacturing Domains named: deltamfg.com Claim as published on the leak site: Delta Manufacturing specializes in custom electric heating elements. They serve a variety of industries, including aerospace, medical, food, and chemical, ensuring fast turnaround of custom orders. However, they failed to prioritize security, resulting in the compromise of customer and employee data and contracts, as well as the exposure of all accounting records and invoices.