Requiring trusted locations for Azure AD Multi Factor Authentication registration. Restricting or allowing access from specified locations. Requiring multi factor authentication for Azure management tasks. Blocking sign in from devices that display suspicious behaviour. Requiring multi factor authentication for administrative users. The most common conditional access policies include: Based on whether the user has passed the preceding condition or not, the conditional access policies are either granted or have blocked access. It is important to note that conditional access policies are enforced after first factor authentication is completed. For example, if a user wants to access their account in Azure, then they need to do multi factor authentication to access it. I’d phrase Conditional Access policies as a statement: if a certain user wants to access a certain resource, then they need to pass a security measure. Azure AD Conditional Access integrates signals for decision making and policy enforcement. That is why, Azure is an excellent example of this. As a safety measure, many organizations today base their access control determinations on identity driven signals. Now when this guest user tries to access this URL, they will be challenged with MFA:Īzure AD has some nice ways to make managing users, security and resources.All in all, the perimeter of modern secure system now encompasses not only the network but also the identities of users and their devices. However, let’s provide them with the organization id (ctid) of our Power BI tenant: Let’s say our conditional access policy is now for the Power BI service instead of Flow, and this applies to the Guest User Carl (username Now if this user logs into, they will not be prompted for MFA, as they would be taken to their tenant. This is because we don’t have a policy controlling her access:Īnd even once signed in to, if Alicia tries to access, she will run into the MFA check again. If we logged out of this app, and signed into, Alicia would not be prompted for the MFA – she would be prompted for the username and password and then have access to the resource. After Alicia enters her username and password, she is prompted for MFA: 
As we enabled this for Power Automate / Flow, let’s log into as Alicia. Note that doing this does not globally enable MFA for this user: Under Access controls, select to Grant access to require multi-factor authentication: These include Sign In risk:Ĭlient apps, such as browser and mobile/desktop apps: Once selected, let’s choose the apps we want to apply to this policy:īelow are the conditions that can be applied, if required.
We can select to include none, all or a select group of users, and we can select which users are well:
This is useful if you want to restrict certain users to use MFA in certain apps in your tenant. Let’s look at how to set up conditional multi-factor authentication (MFA) in Azure AD.
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