Microsoft Entra ID (formerly Azure Active Directory) is a cloud-based enterprise identity service that provides single sign-on, mulitifactor authentication, and guards against the vast majority of cybersecurity attacks. It can coexist with or extend your on-premises Entra ID or operate independently, and lets you manage users, apps, devices, and integrate with third-party apps, services, and clouds. In this course, Sahil Malik provides an introduction to Entra ID. He shows you how to set it up, manage it, and gives you an overview of protocols that Entra ID supports and where you would use each. He also details the platforms, languages, and SDKs that Entra ID supports.