The dragonforce ransomware group listed kleankanteen.com on its data leak site on 2026-04-02. Country: US Sector: Retail & E-Commerce Domains named: kleankanteen.com Claim as published on the leak site: Klean Kanteen was founded in 2004. The company manufactures reusable stainless steel water bottles. The company's headquarters are located in Chico, California.