Microsoft has released ASP.NET Core in .NET 11 Preview 1, introducing new Blazor components like EnvironmentBoundary, Label, and DisplayName, along with relative URI navigation, QuickGrid row click ...

Four rogue NuGet packages and one npm package stole ASP.NET Identity data, deployed C2 backdoors, and reached over 50,000 ...

Microsoft MVP Philip Japikse discusses how ASP.NET Core Razor Pages in .NET 10 provides a streamlined, page-centric ...

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 ...