Mastering JWT in C# Secure Authentication and Authorization for Web APIs

Authentication and authorization are fundamental aspects of modern application security, ensuring that only the right users have access to specific resources. Traditional authentication methods, such as session-based authentication, are not always efficient for modern web applications and APIs. JSON Web Token (JWT) has emerged as a popular and effective solution for stateless authentication, offering improved security, scalability, and flexibility.
This book provides a complete and in-depth guide to implementing JWT authentication in C# with ASP.NET Core. Whether you are a beginner looking to learn the fundamentals of authentication or an experienced developer seeking advanced techniques such as OAuth2, OpenID Connect, and microservices security, this book will provide the knowledge and practical examples needed to build secure applications.
With real-world examples and best practices, this book will guide you through setting up JWT authentication, implementing token security, integrating authentication into frontend applications, optimizing performance, and deploying JWT-based authentication in production environments.
What You Will Learn:Understanding authentication, authorization, and token-based securityWhat JWT is, how it works, and its advantages over traditional authentication methodsSetting up an ASP.NET Core Web API with JWT authenticationConfiguring middleware and securing API endpointsImplementing role-based and policy-based authorization in ASP.NET CoreGenerating and managing refresh tokens for enhanced securityIntegrating JWT with OAuth2 and OpenID Connect for Single Sign-On (SSO)Using JWT for authentication in microservices and API gateway architecturesImplementing JWT authentication in frontend applications using React, Angular, and BlazorDebugging and logging JWT-related issues for better monitoring and securityOptimizing API performance with caching and token expiration strategiesDeploying JWT-secured applications to cloud platforms such as Azure, AWS, and KubernetesImplementing best practices for securing JWT against attacks such as token manipulation and replay attacksThis book is ideal for C# developers, ASP.NET Core developers, software architects, DevOps professionals, and security engineers who want to build secure authentication and authorization mechanisms using JWT.
With step-by-step tutorials, practical coding examples, and real-world projects, this book will help you gain a deep understanding of JWT and implement secure authentication solutions in modern web applications and APIs.
By the end of this book, you will be able to develop scalable and secure authentication systems with JWT, implement role-based access control, integrate authentication in microservices, and deploy production-ready applications with JWT security.

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