Make these standard practices in your organization to help ensure your deployed apps aren't overprivileged and don't become overprivileged over time: However, your organization should consider mitigating the risk of a security incident made possible or more severe by your app's overprivileged permissions to be worthy of a scheduled application update. Organizations often hesitate to modify running applications to avoid impacting their normal business operations.
Consent can be granted in several ways, including by a tenant administrator who can consent for all users in an Azure AD tenant, or by the application users themselves who can grant access Most applications you build will require access to protected data, and the owner of that data needs to consent that access. Mitigation: Replace each reducible permission in your application with its least-permissive counterpart still enabling the application's intended functionality.Īvoid security risks posed by unused and reducible permissions by granting just enough permission: the permission with the least-permissive access required by an application or user to perform their required tasks. An entity that exploits a security vulnerability in your application could use the reducible permission for unauthorized access to data or to perform operations not normally allowed by that entity's role.
Security risk: Reducible permissions pose a vertical privilege escalation security risk.
The permission is considered reducible here because the less permissive permission grants sufficient read-only access to user profile data. However, the app has been granted the permission.
The information security principle of least privilege asserts that users and applications should be granted access only to the data and operations they require to perform their jobs.įollow the guidance here to help reduce your application's attack surface and the impact of a security breach (the blast radius) should one occur in your Microsoft identity platform-integrated application.
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