Secure ASP.NET Core Apps: Authentication and Authorization Middleware

Securing web applications is a fundamental requirement for modern developers, yet setting up identity management can feel overwhelming. Understanding how the request pipeline handles security checks is crucial for protecting sensitive user data and application resources. This written course guides you through the core concepts of ASP.NET Core security, showing you how to implement robust access control. You will transition from understanding basic security definitions to confidently configuring the middleware pipeline for real-world scenarios. What you'll learn: Understand the foundational concepts of authentication, authorization, and the ASP.NET Core middleware pipeline; Configure cookie-based authentication to manage user sessions securely; Implement token-based security using modern JWT bearer authentication; Apply role-based and policy-based authorization to restrict access to specific endpoints; Customize the HTTP request pipeline to handle unauthorized requests gracefully; Integrate security middleware with modern Minimal APIs and Controller-based architectures. You will start by exploring essential security terminology and the mechanics of the HTTP request pipeline before progressing to hands-on configuration examples. Step-by-step written explanations will walk you through setting up policies, managing claims, and securing endpoints. This course is designed for beginner-to-intermediate .NET developers who want to grasp the fundamentals of web security. No prior experience with authentication frameworks is required, though basic familiarity with C# and ASP.NET Core is helpful. Start reading today to build secure, reliable ASP.NET Core applications from the ground up.