How Can ASP.NET Core Authentication Be Designed for Modern Business Applications?

Modern business applications require authentication architectures that go beyond simply implementing a login screen. Explore how ASP.NET Core applications can approach identity, authentication flows, authorization, claims, tokens, roles, policies, and secure access to business functionality. This discussion introduces the architectural thinking developers need when building applications that integrate with enterprise identity platforms and APIs. It is particularly relevant for .NET developers and professionals preparing for enterprise application development roles.