We are getting this issue on multiple endpoints on Endpoint Security, 83 occurrences on my PC alone in 36 hours. Paste from the log below
Time;Account;Group;URL;Matching URL;Category;Action performed
07/02/2020 11:50:21;NT AUTHORITY\SYSTEM;NT AUTHORITY\SYSTEM;https://mrodevicemgr.officeapps.live.com;mrodevicemgr.officeapps.live.com;Malware Distribution Point;Blocked by policy