The lockbit3 ransomware group listed ykk.com on its data leak site on 2023-06-02. Country: JP Sector: Manufacturing Domains named: ykk.com Claim as published on the leak site: branch in the USAThe YKK Group (YKKグループ, Waikeikei Gurūpu) is a Japanese group of manufacturing companies. They are the world's largest zipper manufacturer, also producing other fastening products, architectural products, plastic hardware and i...