Latest articles

Testing Azure AD-protected APIs, part 5: Pipelines in Azure DevOps

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In this part we look at how the integration tests made in third part can be run in Azure DevOps

Testing Azure AD-protected APIs, part 4: GitHub Actions CI workflow

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In the fourth part we look at how the integration tests made in the previous part can be run in a GitHub Actions workflow

Testing Azure AD-protected APIs, part 3: Automated integration tests

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In the third part we look at how we might build automated integration tests against an Azure AD-protected API

Testing Azure AD-protected APIs, part 2: Postman

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In the second part, we setup application permissions on the API, and see how to test the API using Postman (as a user and as an app)

Testing Azure AD-protected APIs, part 1: Swagger UI

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In the first part in this series, we will look at how to setup Swagger UI so it can be used to test an Azure AD-protected API.

Setting up a free HTTPS certificate in Azure App Service

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Newly announced at Ignite 2019, Microsoft now offers free certificates to secure your Web applications running on Azure App Service

Speaking at Techorama NL 2019 about Managed Identities

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Sneak peek of what is to come in my presentation at Techorama NL 2019

Cross-tenant token attacks are now harder in Azure AD

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Microsoft has improved the security of all APIs using Azure AD authentication and it's awesome, but it doesn't mean you can relax

Always check permissions in tokens in an Azure AD protected API

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Failing to check for permissions in Azure AD access tokens leads to your API being vulnerable

Why you should not put secrets in native applications

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The dangers of embedding secrets in native applications, and how to implement Azure AD authentication there without secrets

Hi! My name is Joonas Westlin, I'm a software developer who blogs about ASP.NET Core, Azure, and Web development.

Azure MVP, Azure Solutions Architect Expert, Azure Security Engineer Associate, Azure Developer Associate.