Your Users Are Authenticating With What? Hunting Down the Outlook Companion App
The Microsoft Outlook Companion app quietly registers itself as an MFA method — and most admins don't realise until it's already causing inconsistent auth flows across their user base. In this post, I walk through why I recommend disabling it, why you can't just flip the switch without breaking things, and how to use KQL to identify exactly who's using it before you do
