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web security - C# Corner

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web security

55 posts about web security

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

Sagar Rane

Sagar Rane

15dPublished Aug 22, 2026, 8:02 AMUpdated Aug 24, 2026, 11:38 AM

263

Testing AI Browser Agents Against Unsafe Web Actions

Ananya Desai

Ananya Desai

21dPublished Aug 18, 2026, 5:37 AMUpdated Aug 18, 2026, 10:39 AM

2.2k

Secure File Uploads in ASP.NET Core: Validation, Storage, and Best Practices

Nidhi Sharma

1moPublished Jul 29, 2026, 6:19 AMUpdated Jul 31, 2026, 7:26 AM

422

Clickjacking Attacks Explained and How to Prevent Them

Saurav Kumar

Saurav Kumar

3moPublished Jun 3, 2026, 7:28 AMUpdated Jun 3, 2026, 9:21 AM

3.3k

SQL Injection: Complete Guide with Examples and Proper Solutions

Vipin Mittal

Vipin Mittal

3moPublished May 21, 2026, 9:05 AMUpdated May 21, 2026, 11:56 AM

688

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

568

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

896

How to Implement CSRF Protection in Web Applications Step by Step

Nidhi Sharma

4moPublished Apr 17, 2026, 6:31 AMUpdated Apr 17, 2026, 12:17 PM

755

What is HMAC Authentication and How Does It Secure APIs?

Ananya Desai

Ananya Desai

4moPublished Apr 17, 2026, 6:32 AMUpdated Apr 17, 2026, 8:10 AM

2k

How to Implement Two-Factor Authentication (2FA) in Web Applications

Riya Patel

Riya Patel

4moPublished Apr 16, 2026, 12:04 PMUpdated Apr 16, 2026, 12:17 PM

570

What is JWT Authentication and How Does It Work in Modern Web Applications?

Saurav Kumar

Saurav Kumar

5moPublished Mar 25, 2026, 5:35 AMUpdated Mar 25, 2026, 12:12 PM

742

How to Validate User Input to Prevent Security Vulnerabilities

Riya Patel

Riya Patel

5moPublished Mar 24, 2026, 4:34 AMUpdated Mar 24, 2026, 10:30 AM

2k

Dynamic CORS Setup in .NET Core 8,9,10 with JSON Configuration

Shafaet Hossain

Shafaet Hossain

5moPublished Feb 9, 2025, 5:44 AMUpdated Mar 24, 2026, 8:20 AM

5.5k

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 Implement Role Based Access Control (RBAC) in Web Applications

Riya Patel

Riya Patel

5moPublished Mar 23, 2026, 5:50 AMUpdated Mar 23, 2026, 11:20 AM

879

What Is HTTPS TLS Handshake and How Does It Secure Web Communication?

Riya Patel

Riya Patel

5moPublished Mar 17, 2026, 6:01 AMUpdated Mar 17, 2026, 11:59 AM

806

What Is Cross-Site Scripting (XSS) and How to Prevent It in Web Applications?

Riya Patel

Riya Patel

5moPublished Mar 17, 2026, 5:53 AMUpdated Mar 17, 2026, 8:04 AM

2.5k

How to Prevent SQL Injection Attacks in Modern Web Applications

Ananya Desai

Ananya Desai

5moPublished Mar 17, 2026, 4:40 AMUpdated Mar 17, 2026, 6:21 AM

2.2k

How to Prevent SQL Injection Attacks in Modern Web Applications

Riya Patel

Riya Patel

5moPublished Mar 16, 2026, 5:01 AMUpdated Mar 16, 2026, 10:38 AM

1.9k

What Techniques Help Prevent Cross-Site Request Forgery (CSRF) Attacks?

Riya Patel

Riya Patel

6moPublished Mar 11, 2026, 5:29 AMUpdated Mar 11, 2026, 9:53 AM

2.8k

How to Prevent Cross-Site Scripting (XSS) Vulnerabilities in Web Applications?

Riya Patel

Riya Patel

6moPublished Mar 6, 2026, 5:31 AMUpdated Mar 6, 2026, 10:36 AM

2.6k

How to Implement Secure Authentication Flows in Modern Web Applications?

Riya Patel

Riya Patel

6moPublished Mar 6, 2026, 5:24 AMUpdated Mar 6, 2026, 7:15 AM

2.2k

How to Prevent SQL Injection in Modern Web Applications?

Riya Patel

Riya Patel

6moPublished Mar 3, 2026, 6:46 AMUpdated Mar 3, 2026, 10:22 AM

2.5k

How to Implement Authentication in React with .NET Core Backend?

Niharika Gupta

Niharika Gupta

6moPublished Feb 26, 2026, 4:59 AMUpdated Feb 26, 2026, 10:46 AM

4.8k

How to Enable HTTPS Redirection in ASP.NET Core?

Niharika Gupta

Niharika Gupta

6moPublished Feb 26, 2026, 5:04 AMUpdated Feb 26, 2026, 7:28 AM

4.6k

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Related topics

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