SharePoint and OneDrive leave a lot to be desired in the way of default security configs. in this video, I walk through the basic options of locking down your environment so you make sure your data is protected.
C H A P T E R S
00:00 Video Intro
01:28 Sharing Controls
07:41 Security Controls
12:14 Access Controls
16:58 Wrap UP
L I N K S
Sharing Controls
https://learn.microsoft.com/en-US/sharepoint/turn-external-sharing-on-or-off
Malware Scanning
https://learn.microsoft.com/en-us/microsoft-365/security/office-365-security/turn-on-mdo-for-spo-odb-and-teams?view=o365-worldwide
Access from Unmanaged Devices
https://learn.microsoft.com/en-US/sharepoint/control-access-from-unmanaged-devices