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 ...

The Kestrel web server flaw allows request smuggling attacks, but the actual risk depends on the application code and deployment. Microsoft has patched a critical vulnerability in ASP.NET Core that ...

The following samples show how to protect a web API with the Microsoft identity platform, and how to call a downstream API from the web API. ASP.NET Call Microsoft Graph MSAL.NET On-Behalf-Of (OBO) ...

Microsoft warns that attackers are deploying malware in ViewState code injection attacks using static ASP. NET machine keys found online. As Microsoft Threat Intelligence experts recently discovered, ...

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 ...

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Since its inception as an intriguing experiment in leveraging WebAssembly to enable dynamic web development with C#, Blazor has evolved into a mature, fully featured framework. Integral to the ASP.NET ...

Parameter binding from forms, antiforgery tokens, and Native AOT are now supported in ASP.NET Core. Here’s how to take advantage of them. ASP.NET Core offers a simplified hosting model, called minimal ...

While many development conferences feature introductory sessions on various topics, more advanced tutorials are comparatively rare. Going beyond the many "hello world" presentations out there, expert ...