Federated Identity is a system that allows users to access multiple services or applications using a single set of login credentials. This means that instead of remembering different usernames and passwords for each service, users can authenticate themselves through a trusted identity provider, such as Google or Facebook. This simplifies the login process and enhances user convenience. In a federated identity system, the identity provider verifies the user's credentials and shares this information with other services, known as service providers. This collaboration ensures that users can seamlessly navigate between different platforms while maintaining security and privacy, as their personal information is not shared directly with each service.