OpenID Connect definition in Cybersecurity

OpenID Connect is an authentication protocol built on top of OAuth 2.0 that allows clients to verify the identity of an end-user based on the authentication performed by an authorization server, as well as to obtain basic profile information about the end-user in an interoperable and REST-like manner.

Open source or Free solutions

1. Keycloak
2. WSO2 Identity Server

Paying solutions

1. Ping Identity
2. Microsoft Azure Active Directory