iSIGN+ by Penta Security is a comprehensive Single Sign-On (SSO) solution designed for enterprises. It includes all necessary features and components built into a hardware appliance, minimizing deployment costs and maintenance spending. Clients can have a safe and convenient SSO solution available within a week of deployment. iSIGN+ can be expanded beyond SSO to integrate into Physical Access Control Systems (PACS) and provide robust authentication for handling personnel access using devices, ID cards, biometrics, and other tools. It allows access to various resources after one-step user authorization. After a single sign-on, the user can access resources such as groupware, multiple server environments, and public web services. iSIGN+ supports all operating systems and browsers in various user environments without limitations. It provides various authentication means, including certificates and biometric information, as well as ID/PW. Compliance with standards like FIDO is necessary for strong authentication and security, facilitating user access to business-critical applications.