Federated Identity Management (FIM) refers to a framework that enables the sharing and management of digital identities across multiple organizations or domains. This approach allows users to access resources and services from different entities using a single set of credentials, streamlining authentication and authorization processes while maintaining security and privacy controls. Core capabilities of FIM include secure authentication, single sign-on (SSO) across organizational boundaries, and standardized protocols for exchanging identity information, such as SAML, OAuth, and OpenID Connect. These solutions often incorporate trust frameworks, identity federation agreements, and mechanisms for managing user consent and attribute sharing between participating parties. Federated Identity Management is typically used by enterprises, educational institutions, government agencies, and service providers that require seamless and secure access to resources distributed across multiple domains. It is particularly valuable in scenarios involving business partnerships, cloud service integration, and collaborative environments where users need to interact with external systems without managing separate credentials. FIM differs from traditional Identity and Access Management (IAM) by focusing on cross-domain identity interoperability rather than managing identities solely within a single organization. For those seeking to explore and compare Federated Identity Management solutions, Cyberin provides a neutral platform for discovery and evaluation.