OpenTrust was a next-generation security software leader dedicated to developing flexible solutions that help today's enterprises meet complex security challenges and establish end-to-end trusted IT infrastructures. OpenTrust's solutions secure information at multiple layers throughout the organization providing solid foundations for shared computing models such as cloud computing. The OpenTrust suite is a set of software modules that are easily and seamlessly integrated with other industry-leading products in the technology ecosystem. The OpenTrust suite includes solutions for: - the management of digital identities (OpenTrust PKI), - the management of the life cycles of cards and tokens (OpenTrust SCM) - secure document exchange (OpenTrust MFT and OpenTrust CNS) - digital signatures and proof management (OpenTrust SPI). In addition to its licensed software products, OpenTrust also proposed OpenTrust TaaS, a unique online cloud-based service for digital signatures and secure electronic transactions. OpenTrust software is currently used by over 150 of the world’s most demanding and admired global enterprises with a user base of over two million in more than 100 countries throughout the world.