Founded by a team of fiduciary and forensic experts, C.S.T develops and markets security features for identity documents and banknotes. In addition, C.S.T designs innovative processes that reveal traces and clues allowing the identification of criminals.

In the fiduciary business, the company is developing a range of security features with innovative visual properties that allow quick and intuitive authentication. By combining chemical properties and optical phenomena, these technologies, known as O.V.M (Optical Variable Material), constitute a new generation of security features for identity documents and fiduciary titles.