Forum Discussion
Advanced Threat Protection Issue
We purchased over 3600 licenses for Microsoft Advanced Threat Protection with the hopes of protecting our accounts. In particular for if a malicious link were passed between our internal accounts we ...
Here is further confirmation, which answers your question I believe, from the Set up Office 365 ATP Safe Links policies article:
"Beginning in March 2018, ATP Safe Links protection is being extended to apply to email sent between people in an organization."
