# \#dotnet

**URL:** https://community.auth0.com/tag/dotnet/1812.md

[Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md)

---

## [Authentication and Authorization: What's New in .NET 11](https://community.auth0.com/t/authentication-and-authorization-whats-new-in-net-11/205186)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [November 9, 2026, 1:56pm UTC](https://community.auth0.com/t/authentication-and-authorization-whats-new-in-net-11/205186 "2026-11-09T13:56:35Z")

</div>

The release of .NET 11 addresses key edge cases to enhance security and user experience in the identity context. Check out this blog post to learn more.

---

## [Building Secure AI Agents with Microsoft Agent Framework and Auth0: Human-in-the-Loop Approval](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-human-in-the-loop-approval/203580)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [September 23, 2026, 8:29am UTC](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-human-in-the-loop-approval/203580 "2026-09-23T08:29:20Z")

</div>

The fourth and final part of the “Building Secure AI Agents with Microsoft Agent Framework and Auth0” blog post series is on keeping humans in the loop. Enjoy your reading!

---

## [Building Secure AI Agents with Microsoft Agent Framework and Auth0: Sending Email with Token Vault](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-sending-email-with-token-vault/203174)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [September 8, 2026, 3:42pm UTC](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-sending-email-with-token-vault/203174 "2026-09-08T15:42:49Z")

</div>

Here is the third part of the blog post series on securing AI agent built with Microsoft Agent Framework. This part focuses on sending emails on behalf of the user by leveraging the Auth0 Token Vault. Read on!

---

## [Building Secure AI Agents with Microsoft Agent Framework and Auth0: RAG Filtering](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-rag-filtering/202540)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [August 13, 2026, 3:59pm UTC](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-rag-filtering/202540 "2026-08-13T15:59:05Z")

</div>

This is the second part of the blog post series on securing AI agent built with Microsoft Agent Framework. In this part, we implement a RAG system and make sure that users can access what they are authorized to work on. …

---

## [Building Secure AI Agents with Microsoft Agent Framework and Auth0: User Authentication](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-user-authentication/202234)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 3\
**Last updated:** [August 4, 2026, 7:16am UTC](https://community.auth0.com/t/building-secure-ai-agents-with-microsoft-agent-framework-and-auth0-user-authentication/202234 "2026-08-04T07:16:38Z")

</div>

Let’s walk through a blog post series about securing AI agents built with C# and the Microsoft Agent Framework. This first installment covers user authentication for your basic agent.

---

## [Implementing the Device Authorization Flow in a C# Console App](https://community.auth0.com/t/implementing-the-device-authorization-flow-in-a-c-console-app/200946)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [June 18, 2026, 9:07am UTC](https://community.auth0.com/t/implementing-the-device-authorization-flow-in-a-c-console-app/200946 "2026-06-18T09:07:35Z")

</div>

Check out this tutorial to learn how to implement the OAuth 2.0 Device Authorization flow in a .NET console application built with C#: Implement the Device Authorization Flow in a C# Console App

---

## [Secure a C# MCP Server with Auth0](https://community.auth0.com/t/secure-a-c-mcp-server-with-auth0/198026)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [March 12, 2026, 5:06pm UTC](https://community.auth0.com/t/secure-a-c-mcp-server-with-auth0/198026 "2026-03-12T17:06:16Z")

</div>

Learn how to build and secure an MCP server in .NET using Auth0. Read the full post here.

---

## [Secure a .NET RAG System with Auth0 FGA](https://community.auth0.com/t/secure-a-net-rag-system-with-auth0-fga/192644)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [October 1, 2025, 12:50pm UTC](https://community.auth0.com/t/secure-a-net-rag-system-with-auth0-fga/192644 "2025-10-01T12:50:26Z")

</div>

This blog post shows youhow to secure an AI chatbot built with .NET Blazor using the RAG pattern and make sure that users can only access information from documents they have permission to view.

---

## [Fine-Grained Authorization in ASP.NET Core with Auth0 FGA](https://community.auth0.com/t/fine-grained-authorization-in-asp-net-core-with-auth0-fga/191501)

<div class="topic-metadata">

**Author:** [@andrea.chiarelli](https://community.auth0.com/u/andrea.chiarelli)\
**Replies:** 1\
**Last updated:** [September 5, 2025, 9:37am UTC](https://community.auth0.com/t/fine-grained-authorization-in-asp-net-core-with-auth0-fga/191501 "2025-09-05T09:37:12Z")

</div>

Learn how to enhance authorization control in ASP.NET Core using Auth0’s Fine-Grained Authorization (FGA).

---

## [Implementing Role-Based Access Control in Your Blazor B2B SaaS Application](https://community.auth0.com/t/implementing-role-based-access-control-in-your-blazor-b2b-saas-application/186787)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [May 15, 2025, 6:00pm UTC](https://community.auth0.com/t/implementing-role-based-access-control-in-your-blazor-b2b-saas-application/186787 "2025-05-15T18:00:50Z")

</div>

Learn how to add Role-Based Access Control (RBAC) to your B2B SaaS application that leverages Auth0 Organizations. Read more… :writing\_hand:t2: Brought to you by @andrea.chiarelli

---

## [Enforce Customer Email Verification in Your B2B Blazor Web App](https://community.auth0.com/t/enforce-customer-email-verification-in-your-b2b-blazor-web-app/185916)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [April 24, 2025, 8:40pm UTC](https://community.auth0.com/t/enforce-customer-email-verification-in-your-b2b-blazor-web-app/185916 "2025-04-24T20:40:27Z")

</div>

Checking your customers’ email addresses is a basic rule for securely onboarding them in your B2B SaaS application. Learn how to do it in your Blazor Web App. Read more… :writing\_hand:t2: Brought to you by @andrea.chia…

---

## [Announcing a New Release of the Auth0 OIDC Client for .NET](https://community.auth0.com/t/announcing-a-new-release-of-the-auth0-oidc-client-for-net/185760)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [April 21, 2025, 5:44pm UTC](https://community.auth0.com/t/announcing-a-new-release-of-the-auth0-oidc-client-for-net/185760 "2025-04-21T17:44:30Z")

</div>

We released a new version of the .NET SDK for desktop and mobile applications. Learn what’s new. Read more… :writing\_hand:t2: Brought to you by @andrea.chiarelli

---

## [When ASP.NET Core Identity Is No Longer Enough](https://community.auth0.com/t/when-asp-net-core-identity-is-no-longer-enough/185311)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [April 10, 2025, 4:08pm UTC](https://community.auth0.com/t/when-asp-net-core-identity-is-no-longer-enough/185311 "2025-04-10T16:08:11Z")

</div>

Let’s explore the scenarios where ASP.NET Core Identity shows its limitations and what the alternatives are. Read more… :writing\_hand:t2: Brought to you by @andrea.chiarelli

---

## [Add Auth0 Organizations to Your B2B Blazor Web App](https://community.auth0.com/t/add-auth0-organizations-to-your-b2b-blazor-web-app/182379)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 3:47pm UTC](https://community.auth0.com/t/add-auth0-organizations-to-your-b2b-blazor-web-app/182379 "2025-02-18T15:47:46Z")

</div>

Enable multitenancy in your Blazor Web App with Auth0 Organizations and get ready for B2B. Read more… :writing\_hand:t2: Brought to you @andrea.chiarelli

---

## [Use CIBA Authentication with Auth0 and .NET](https://community.auth0.com/t/use-ciba-authentication-with-auth0-and-net/176638)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 1\
**Last updated:** [January 31, 2025, 4:57pm UTC](https://community.auth0.com/t/use-ciba-authentication-with-auth0-and-net/176638 "2025-01-31T16:57:53Z")

</div>

Learn how to integrate CIBA authentication in your .NET applications to improve security and privacy. Read more… :writing\_hand:t2: Brought to you by @andrea.chiarelli

---

## [What is Blazor? A Tutorial on Building Web Apps with Authentication](https://community.auth0.com/t/what-is-blazor-a-tutorial-on-building-web-apps-with-authentication/33611)

<div class="topic-metadata">

**Author:** [@ramiro](https://community.auth0.com/u/ramiro)\
**Replies:** 173\
**Last updated:** [May 30, 2024, 3:51pm UTC](https://community.auth0.com/t/what-is-blazor-a-tutorial-on-building-web-apps-with-authentication/33611 "2024-05-30T15:51:14Z")

</div>

Learn how to build client-side Web apps using Blazor and how to secure them with Auth0 authentication and authorization features. Read on :fire: Brought to you by @andrea.chiarelli :man\_technologist:t2:

---

## [Securing Blazor WebAssembly Apps](https://community.auth0.com/t/securing-blazor-webassembly-apps/46661)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 198\
**Last updated:** [March 27, 2024, 5:36am UTC](https://community.auth0.com/t/securing-blazor-webassembly-apps/46661 "2024-03-27T05:36:10Z")

</div>

Learn how to secure Blazor WebAssembly applications with Auth0. Read more Brought for you by @andrea.chiarelli

---

## [Using xUnit to Test your C# Code](https://community.auth0.com/t/using-xunit-to-test-your-c-code/40657)

<div class="topic-metadata">

**Author:** [@bachi.degli-innocent](https://community.auth0.com/u/bachi.degli-innocent)\
**Replies:** 6\
**Last updated:** [March 11, 2024, 9:52am UTC](https://community.auth0.com/t/using-xunit-to-test-your-c-code/40657 "2024-03-11T09:52:33Z")

</div>

How to create unit tests and integration tests with xUnit for your C# applications Brought to you by @andrea.chiarelli Read on :open\_book:

---

## [Understanding Dependency Injection in .NET Core](https://community.auth0.com/t/understanding-dependency-injection-in-net-core/37740)

<div class="topic-metadata">

**Author:** [@bachi.degli-innocent](https://community.auth0.com/u/bachi.degli-innocent)\
**Replies:** 17\
**Last updated:** [August 30, 2022, 7:46am UTC](https://community.auth0.com/t/understanding-dependency-injection-in-net-core/37740 "2022-08-30T07:46:46Z")

</div>

Learn what Dependency Injection and IoC are and what .NET Core provides you to support them. Brought to you by @andrea.chiarelli Read on

---

## [Using C# Extension Methods for Auth0 Authentication](https://community.auth0.com/t/using-c-extension-methods-for-auth0-authentication/55417)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 6\
**Last updated:** [August 16, 2022, 8:54am UTC](https://community.auth0.com/t/using-c-extension-methods-for-auth0-authentication/55417 "2022-08-16T08:54:56Z")

</div>

How to use C# extension methods to simplify Auth0 configuration for ASP.NET web applications. Read more Brought for you by @andrea.chiarelli

---

## [Easy Authentication in Xamarin Apps with Auth0](https://community.auth0.com/t/easy-authentication-in-xamarin-apps-with-auth0/37364)

<div class="topic-metadata">

**Author:** [@bachi.degli-innocent](https://community.auth0.com/u/bachi.degli-innocent)\
**Replies:** 11\
**Last updated:** [March 19, 2021, 11:07am UTC](https://community.auth0.com/t/easy-authentication-in-xamarin-apps-with-auth0/37364 "2021-03-19T11:07:04Z")

</div>

Learn how to add authentication to iOS and Android apps with Xamarin and Auth0. Brought to you by @daniel.krzyczkowski Check it out

---

## [Five Things You Should Know About .NET 5](https://community.auth0.com/t/five-things-you-should-know-about-net-5/52992)

<div class="topic-metadata">

**Author:** [@robertino.calcaterra](https://community.auth0.com/u/robertino.calcaterra)\
**Replies:** 7\
**Last updated:** [January 25, 2021, 8:50am UTC](https://community.auth0.com/t/five-things-you-should-know-about-net-5/52992 "2021-01-25T08:50:15Z")

</div>

What’s new in .NET 5? Learn how .NET Core and .NET Framework evolve into the new cross-platform framework. Read more… Brought for you by @andrea.chiarelli
