While putting some special content together, I found myself needing to integrate API key authentication middleware into my ASP.NET Core application. I’ve written before about using custom middleware ...

Microsoft has released out-of-band updates to address a security vulnerability in ASP.NET Core that could allow an attacker to escalate privileges. The vulnerability, tracked as CVE-2026-40372, ...

Patching is not enough: applications embedding the insecure library will need to be rebuilt, and affected tokens and cookies expired. Developers are advised to check their applications after Microsoft ...

Understand the key advantages of Razor Pages in ASP.NET Core for building real-world web applications Learn how features like dependency injection, configuration, and environment awareness improve ...

Earlier this week, Microsoft patched a vulnerability that was flagged with the "highest ever" severity rating received by an ASP.NET Core security flaw. This HTTP request smuggling bug (CVE-2025-55315 ...

CVE-2025-55315 is an HTTP request smuggling bug leading to information leaks, file content tampering, and server crashes. Microsoft’s October Patch Tuesday updates addressed a critical-severity ...

To implement custom Authentication and Authorization in an ASP.NET Core MVC + Web API using .NET 9.0, you'll need to follow several steps. This example will demonstrate how to create a simple custom ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Learn the best practices and built-in safeguards for preventing attacks and protecting sensitive data in your ASP.NET Core web applications. Today’s web applications are vulnerable to a variety of ...

Consider Windows PIN to be a faster way to sign in to your device. Well, faster when compared to entering a password. The process is very simple and is possible through a few clicks in the Windows ...

ASP.NET Core offers a simplified hosting model, called minimal APIs, that allows us to build lightweight APIs with minimal dependencies. However, “minimal” doesn’t mean minimal security. Minimal APIs ...