The lockbit3 ransomware group listed tuvsud.com on its data leak site on 2023-09-16. Sector: Professional Services Domains named: tuvsud.com Claim as published on the leak site: In 1866, our founders had a bold vision to reduce the impact of technological risks and protect people, assets and the environment. More than 150 years on, sustainability and safety continue to be the backbone of our mission and services.