Thu Do Multimedia is the Vietnamese company that has successfully developed DRM solutions and solution on detecting infringement of re-streaming video content on the internet environment. Catersian has now certified DRM solutions for all 20 DRM companies worldwide.

Vietnamese Thu Do Multimedia is the first company in Viet Nam and Southeast Asia, and one of six Asian companies, to receive a certification on digital content copyright protection solutions.

With the digital copyright protection solution (commercially known as Sigma DRM) and Cartesian certification, Thu Do Multimedia is the first company in Vietnam and Southeast Asia, one of six Asian companies to achieve this certification.