The vicesociety ransomware group listed McNamara & Thiel Insurance Agency on its data leak site on 2022-12-20. Sector: Financial Services Claim as published on the leak site: Established in 1974, McNamara & Thiel has been one of the leading full-service, independent agencies in Fond du Lac and the surrounding areas. Our combined experience of over 41 years focuses on service to our clients and community.