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 development model for building maintainable web applications, leveraging modern ...

Two months after .NET 10.0, Microsoft starts preview series for version 11, primarily with innovations in the web frontend framework Blazor.

On October 14, 2025, Microsoft released a security update addressing CVE-2025-55315, a vulnerability in ASP.NET Core that allows HTTP request smuggling. While request smuggling is a known technique, ...

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 ...

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 ...

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, ...

In December 2024, Microsoft Threat Intelligence observed limited activity by an unattributed threat actor using a publicly available, static ASP.NET machine key to inject malicious code and deliver ...

The web-dev ASP.NET Core framework and Xamarin.Forms' successor .NET MAUI received the lion's share of dev attention in the seventh preview of .NET 9 as Microsoft preps for a November launch at .NET ...

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 ...