Discover Who Creates Guest Accounts in Office 365 Applications

Office 365 applications now create many guest accounts in Azure Active Directory. You can see what accounts exist, but it's more difficult to discover who created the accounts - or why they were created. Fortunately, the Office 365 audit log holds a lot of useful data that can be interrogated to find some answers and PowerShell is a great tool for slicing and dicing audit data. See what you think of the answers I've come up with.

 

https://www.petri.com/knowing-guest-accounts-office-365