The lockbit3 ransomware group listed atser.com on its data leak site on 2023-08-04. Sector: Transportation Domains named: atser.com Claim as published on the leak site: In 1996, ATSER’s Team led in the development and deployment of a Material Acceptance Testing Systems (MATS). ATSER® pioneered the development of this type of software for the transportation industry and for its use in alternative delivery programs