A service principal is an identity created for use with applications, hosted services, and automated tools to access specific Azure resources. It essentially acts as a security identity, similar to a user account, but specifically for services and applications. Service principals are a fundamental concept in managing and securing access in Azure Active Directory (AAD).
Key Features of Service Principals:
Authentication: Service principals authenticate and gain access to Azure resources using a client ID and client secret (password) or a certificate.
Access Control: You can assign roles to service principals, granting them specific permissions on Azure resources. This follows the principle of least privilege, where they get only the permissions necessary for their tasks.
Security: Service principals help maintain security by limiting the permissions of the service or application to only what it needs to function, reducing the risk of broader access that comes with user accounts.
Automation: Used to automate tasks and deploy applications, allowing seamless integration with CI/CD pipelines and other automated processes.
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