From searchwindowsserver.techtarget.com
Online threats keep evolving, making it difficult for Office 365 administrators to tighten up security on the tenant.
To help with this effort, Microsoft provides several ways to identify security gaps in the existing Office 365 setup and configuration. One tool is the Office 365 Recommended Configuration Analyzer that provides valuable recommendations on how to best configure Microsoft Defender for Office 365, formerly called Office 365 Advanced Threat Protection, and Exchange Online Protection.