In this session, we will see how to secure our web and desktop applications with an OAuth2 and Open ID Connect server, which we will implement live with ASP.NET Core 8. We will use IdentityServer, but we will also see some alternatives. If you want to understand what OAuth2 is and how it works, why you should prefer it to homemade solutions, and how to implement it in ASP.NET Core, this is the session for you.