Building Enterprise-Grade Security Boundaries for LLM Calls — OAuth 2.0 + APIM + Entra ID (opens in new tab)

Background In my previous articles, I shared how to deploy large language models on Azure Foundry and call them successfully\. However, there is a more important question that we often overlook: security and access control\. In this article, I want to share what I learned about using Azure API Management and Entra ID to add OAuth 2\.0-level authorization to your GenAI application or Agent\. After reading this post, you can understand how to put an authorization boundary in front of an LLM end...