@Mak, Eric Thanks for posting in our Q&A. For this issue, it is not related to windows 365. It is related to Microsoft 365 Defender. To get accurate help, please contact Microsoft Defender support. Here is the link:
https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/contact-support?view=o365-worldwide
Thanks for understanding and hope it will help.
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.