AccessMatrix? Universal Sign-On (USO) is a non-intrusive security solution that enables organizations to achieve single sign-on to multiple applications and systems. In most organizations today, users are often required to remember many IDs and passwords in order to perform their various job functions. By deploying our enterprise single sign-on solution, our clients will improve staff and customer satisfaction, resulting in improved productivity and reduced administration costs. Client/server, host-based, Java-based and web-based applications are supported without source code changes. Unlike other single sign-on products, manual client software installations are not required on the users' desktops.