Multifactor authentication (MFA) is a key tool in ensuring that your Office 365 – and any online application – will be secure in the cloud. For those with Microsoft 365 here are some tips to ensure you provide maximum protection to your Office 365 deployment without sacrificing usability.
Start by setting up the Microsoft Authenticator app on those accounts that you will mandate MFA. I recommend walking through the process and preparing screen shots and exact how-tos for users. They need to start at the setup site and log in with their credentials.