Knowing the application secret of an Azure AD registered application allows for an interactive sign-in using the client credentials grant.
The Microsoft Teams Client for Linux authenticates to Azure AD using the Application ID 5e3ce6c0-2b1f-4285-8d4b-75ee78787346 of the Microsoft Teams Web
You already authenticated to an Azure AD identity on an Azure AD joined Windows 10 device after signing in with
So, you are connecting to another tenant in Teams and you get an MFA prompt. Maybe that is unexpected, or
As published in https://techcommunity.microsoft.com/t5/Azure-Active-Directory-Identity/Users-can-now-check-their-sign-in-history-for-unusual-activity/ba-p/916066, Microsoft offers visibility into the sign-ins for Azure AD users. This view is specifically crafted for
The permissions to read your own Azure AD sign-ins don’t stop at the normal Azure AD account. You can also
Find the Tenant ID Being a normal end user without any administrative roles, there are several ways to find the
In this article, the expression “Home Tenant” is used to denote the tenant where the Azure AD account of the