JaCarta Authentication Server by Aladdin-RD is a high-performance two-factor authentication (2FA) server that supports both hardware OTP and U2F tokens, as well as software OTP/PUSH/SMS authenticators for mobile devices. It is integrated within the JaCarta Management System (JMS) platform, providing enhanced user authentication using one-time passwords (PUSH/OTP/SMS) and strict user authentication via the U2F protocol developed by the FIDO Alliance. JaCarta Authentication Server supports authentication for desktops and laptops (JAS OTP Logon) and offers easy integration with application software using standard protocols such as RADIUS, REST, WCF, ADFS, etc. It is capable of handling over 5,000 authentications per second and includes a fully functional user personal account for managing software authenticators from issuance to blocking. The server is certified by the Federal Service for Technical and Export Control of Russia and is registered in the registry of Russian software for computers and databases. JaCarta Authentication Server ensures reliable access protection to information systems and electronic services, providing secure access to remote access gateways, corporate systems, web applications, websites, cloud services, remote banking services, and electronic document management systems. It supports various authentication methods for different devices, including OTP and U2F tokens for desktops and laptops, and software PUSH/OTP/SMS authenticators for smartphones and tablets. The server is compatible with any hardware tokens and software authenticators that generate OTP based on events (HOTP) and time (TOTP), as well as any U2F tokens. It includes built-in tools for managing hardware and software tokens, significantly simplifying and accelerating the work of system administrators and security officers.