Microsoft has tightened several default settings in Microsoft 365 over the past few years. Newer tenants get more protection out of the box than tenants set up before 2022 or so. The problem is that legacy configurations stay in place. A setting changed for new tenants in 2024 doesn’t retroactively change in yours, and historical user consents, inbox rules, or sharing links granted before the change are still active.Here are five settings worth checking in your tenant, especially if it’s more than two or three years old, was set up by a previous IT provider, or has not been audited in a while.A few caveats before we start. Some of these settings require Microsoft 365 Business Premium, E3, or E5 licensing to change, so if a toggle is grayed out, your license tier is most likely the reason. A couple of these changes will generate support tickets from your team
