I am noticing in my Office 365 tenant that there are numerous "failed login attempts" on almost all the users in the company? Why does this typically happen and what should I do to protect the company? I'm wondering if its a bot trying to attempt a hack.
FYI, the main admin account is MFA so that is secure. Should I consider putting a limit on attempts to login? If so, how do I do that and will that prevent users from logging that currently have access?