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Authentication - C# Corner

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Authentication

272 posts about Authentication

7 Authentication Concepts Every Developer Should Know: From Basic Auth to OAuth2 and OIDC

Sagar Rane

Sagar Rane

24dPublished Aug 22, 2026, 8:02 AMUpdated Aug 24, 2026, 11:38 AM

274

Building Secure and Scalable Multi-Tenant SaaS Applications with .NET and Angular

Jignesh Prajapati

Jignesh Prajapati

1moPublished Aug 11, 2026, 9:47 AMUpdated Aug 12, 2026, 9:05 AM

383

Building a Cloud-Based Smart Locker Management System with .NET

Alexsmith

1moPublished Aug 6, 2026, 11:55 AMUpdated Aug 7, 2026, 7:00 AM

329

MCP Security Best Practices: Authentication, Authorization, and Secure Tooling

Niharika Gupta

Niharika Gupta

1moPublished Jul 24, 2026, 6:09 AMUpdated Jul 24, 2026, 9:50 AM

1.7k

JWT Session 14: Implement Refresh Token Authentication in ASP.NET Core Web API

Ajay Narkhedkar

Ajay Narkhedkar

1moPublished Jul 19, 2026, 9:52 AMUpdated Jul 24, 2026, 7:01 AM

456

Securing ASP.NET Core APIs with Microsoft Entra ID Authentication

Niharika Gupta

Niharika Gupta

1moPublished Jul 21, 2026, 4:51 AMUpdated Jul 21, 2026, 9:34 AM

1.9k

JWT Session 6: Protecting ASP.NET Core Web APIs Using the [Authorize] Attribute

Ajay Narkhedkar

Ajay Narkhedkar

1moPublished Jul 19, 2026, 8:40 AMUpdated Jul 21, 2026, 6:07 AM

277

How to Implement Passkey Authentication in ASP.NET Core Applications

Nidhi Sharma

2moPublished Jul 2, 2026, 5:50 AMUpdated Jul 3, 2026, 8:14 AM

517

Access Token vs Refresh Token: A Simple Explanation (and the Interview Questions That Trip People Up)

Sudarshan Hajare

Sudarshan Hajare

2moPublished Jun 26, 2026, 4:29 AMUpdated Jun 26, 2026, 11:41 AM

714

How to Implement OAuth 2.0 Authorization Code Flow Step by Step

Saurav Kumar

Saurav Kumar

4moPublished May 4, 2026, 12:34 PMUpdated May 5, 2026, 11:10 AM

575

How to Implement OAuth 2.0 Authorization Code Flow Step by Step

Riya Patel

Riya Patel

4moPublished May 4, 2026, 12:29 PMUpdated May 5, 2026, 11:09 AM

908

Authentication in .NET Core

Deepika Sawant

4moPublished Apr 28, 2026, 3:03 PMUpdated Apr 29, 2026, 12:18 PM

805

What is Middleware in ASP.NET Core

Nidhi Sharma

4moPublished Apr 23, 2026, 12:21 PMUpdated Apr 23, 2026, 12:34 PM

551

What is JSON Web Token (JWT) structure and how to validate it?

Niharika Gupta

Niharika Gupta

4moPublished Apr 22, 2026, 9:04 AMUpdated Apr 22, 2026, 12:27 PM

597

What are gRPC interceptors in .NET and how do I use them?

Ananya Desai

Ananya Desai

5moPublished Apr 10, 2026, 5:36 AMUpdated Apr 13, 2026, 5:51 AM

692

How do I handle authentication and authorization in a gRPC service in ASP.NET Core?

Aarav Patel

Aarav Patel

5moPublished Apr 10, 2026, 5:32 AMUpdated Apr 13, 2026, 5:51 AM

865

How to Implement JWT Authentication with Refresh Tokens in ASP.NET Core

Riya Patel

Riya Patel

5moPublished Apr 8, 2026, 9:10 AMUpdated Apr 8, 2026, 11:08 AM

963

Building Authentication with JWT in Node.js

An Phạm

5moPublished Apr 7, 2026, 9:28 AMUpdated Apr 7, 2026, 11:25 AM

754

How to Use Azure Active Directory B2C for User Authentication in Web Apps?

Ananya Desai

Ananya Desai

5moPublished Apr 3, 2026, 4:55 AMUpdated Apr 3, 2026, 11:57 AM

1.1k

Beginner's Guide: Authentication & Authorization in Modern Applications

Mariem Moalla

Mariem Moalla

5moPublished Mar 27, 2026, 6:25 AMUpdated Mar 31, 2026, 9:54 AM

917

Lightweight Directory Access Protocol (LDAP)

Nagaraj M

Nagaraj M

5moPublished Mar 25, 2026, 10:59 AMUpdated Mar 25, 2026, 11:56 AM

699

What is OAuth 2.0 and How Does It Work in Modern Applications?

Saurav Kumar

Saurav Kumar

5moPublished Mar 25, 2026, 5:29 AMUpdated Mar 25, 2026, 11:39 AM

791

How to Implement Secure Session Management in Web Applications

Riya Patel

Riya Patel

5moPublished Mar 24, 2026, 4:32 AMUpdated Mar 24, 2026, 6:19 AM

2.9k

How to Store Passwords Securely Using Bcrypt in Backend Applications?

Riya Patel

Riya Patel

5moPublished Mar 23, 2026, 5:48 AMUpdated Mar 23, 2026, 10:11 AM

2.8k

What Is API Gateway Security and How to Protect Microservices?

Riya Patel

Riya Patel

6moPublished Mar 18, 2026, 4:25 AMUpdated Mar 18, 2026, 7:22 AM

2.3k

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Related topics

Authorization API security JWT web security system design JSON Web Token Access Token OpenID Connect Token Based Authentication SSO Single Sign-On OAuth2