Master WS-Federation for hybrid identity. Learn how to bridge legacy ASP.NET apps with modern Entra ID and OIDC using the .NET 10 Passive Requestor Profile.

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 ...

The C# Excel Library · Intuitive C# & VB.NET Excel API · No need to install MS Office or Excel Interop ...

Take advantage of the IServiceProvider interface to resolve service dependencies in ASP.NET Core and improve the maintainability and testability of your applications. One of the most essential ...

Microsoft is warning of an insecure practice wherein software developers are incorporating publicly disclosed ASP.NET machine keys from publicly accessible resources, thereby putting their ...

Building an API with ASP.NET Core is only half the job. If your API is going to live more than one release cycle, you're going to need to version it. If you have other people building clients for it, ...