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

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 ...

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 ...

How to configure the CORS middleware for minimal APIs and enable secure cross-origin resource sharing in your ASP.NET Core applications. ASP.NET Core offers a simplified hosting model, called minimal ...

This issue has been moved from a ticket on Developer Community. [severity:It’s more difficult to complete my work] I am creating an Angular front end with an ASP.NET Core backend and I decided to use ...

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, ...

As digital systems become more interconnected, APIs have moved from being simple integration tools to serving as the backbone of enterprise operations. Financial transactions, healthcare data exchange ...