security

ASP.NET Core and .NET Security Articles, Tutorials & News

ASP.NET Core and .NET Security articles, tutorials, and news from the DotNetNews archive.

504 articles Updated

This DotNetNews topic collects ASP.NET Core security material from the daily archive. ASP.NET Core and .NET Security sits in the ASP.NET Core and broader Microsoft web stack that most C# services use. The page is for people who already ship C# and need a faster way to find relevant posts.

Expect publisher tutorials, release notes, architecture write-ups, and field notes linked from DotNetNews issues. Start here is a short editorial shortlist for ASP.NET Core and .NET Security; the archive list is chronological and larger. Nothing here claims every article was production-tested by the editors.

Recurring subtopics in recent issues include ASP.NET Core security, .NET security, secure coding C#, and ASP.NET Core hardening. Secondary angles such as ASP.NET Core security and .NET security appear when the archive actually covered them. Related hubs such as ASP.NET Core Authentication and ASP.NET Core Authorization cover adjacent problems.

Each card points at the original publisher URL and the DotNetNews issue that carried it, so you can read the article in context or jump straight to the source.

Start here

Editor picks for Security

  1. Implementing Passkey Authentication in ASP.NET Core Applications

    c-sharpcorner.com Issue #502

    Passkeys keep moving from nice-to-have to baseline. Good starter piece for WebAuthn in ASP.NET Core.

    Read article Issue #502

  2. OWASP Top 10 for .NET Developers - Part 8: Preventing Software and Data Integrity Failures

    medium.com Issue #497

    A worthwhile security reminder that clean scans and passing tests do not cover supply-chain and integrity failure risks.

    Read article Issue #497

  3. Why and When We Need to Use [CustomAuthorize] in ASP.NET

    masumkazi.medium.com Issue #497

    Custom authorization is easy to overuse, so the "when" is the important part of this discussion.

    Read article Issue #497

  4. How to Implement Passkey Authentication in ASP.NET Core Applications

    c-sharpcorner.com Issue #491

    Implement secure passkey authentication in ASP.NET Core apps.

    Read article Issue #491

  5. How Hidden Security Vulnerabilities Turn Into Business-Critical Incidents in Modern Applications

    medium.com Issue #490

    Less framework-specific, but the business framing around hidden vulnerabilities and incident cost is still relevant for engineering leads.

    Read article Issue #490

  6. Elsa 3.8 Preview: Secrets, State Machines, and a Security Hardening Pass

    topuzas.medium.com Issue #489

    Worth a skim if Elsa is on your radar and you care about security posture.

    Read article Issue #489

  7. Building for the agentic web with .NET 11

    youtube.com Issue #472

    Agentic web apps on .NET 11 shift from request-response to autonomous agent patterns.

    Read article Issue #472

  8. Stop prompt injection from hijacking your agent, new security capabilities now released within Agent Framework

    devblogs.microsoft.com Issue #465

    Prompt injection is still the biggest agent risk, so I'm glad to see more concrete platform defenses landing here.

    Read article Issue #465

Archive

Page 1 of 21

Newest first