RSA SecurID is an on-premises identity and access management (IAM) solution by RSA Security that provides multi-factor authentication (MFA), access control, and identity management capabilities across various use cases. The system operates through RSA Authentication Manager, which delivers authentication, access, and management capabilities to secure users, applications, data, and services. The product balances security requirements with authentication convenience, offering both software and hardware token support for enterprise environments. It can be deployed on a rack-mountable, security-hardened hardware appliance and delivers authentication services with automated failover capabilities maintaining 99.99% availability through hybrid/on-premises deployment options.