If you've ever spent days configuring OAuth 2.0 and OIDC just to get enterprise authentication working, you're not alone. It's tedious, error-prone, and honestly — it shouldn't be this hard. That's why I built and open-sourced AzureAdRazorLogin : a ready-to-deploy C# .NET 8 Razor Pages template that handles Azure Active Directory integration out of the box. The Problem Worth Solving In distributed, cloud-native architectures, identity is the new perimeter . Yet most teams still hand-roll their authentication setup — misconfiguring redirect URIs, mishandling token validation, or unknowingly introducing security drift across environments. The result? Technical debt baked into your security layer before you've shipped a single feature. What AzureAdRazorLogin Does Differently Rather than following a tutorial and stitching together middleware, this solution gives you a secure baseline from line one .…