![]() Once MFA is enabled, desktop applications and native iPhone and Android email apps won’t connect. The next step to be aware of is the application password. The Microsoft Authenticator app can be used as the default MFA tool for many applications, not just Microsoft applications. You can also set up an authentication app on users’ phones. You can set up a code to be sent via SMS to your cell or by a call to your office phone. They will sign in and be prompted to set up additional authentication: Microsoft Once you’ve enabled MFA, send the users to Microsoft’s MFA Setup site to complete the process. If you are setting up MFA for the first time, I recommend testing out MFA before fully implementing it company-wide. In this next screen you can bulk update all users to use MFA, or you can choose one at a time. I’m assuming that you will choose multifactor authentication with cloud services only and not by setting up a local authentication server, but you may review your options and requirements before setting up your options. Office 365 admin center - review MFA setup If you are not a global admin you won’t see the “More” option. Choose “More” and then “Multifactor Authentication setup”. To enable MFA on Office 365 admin site go to the Microsoft Admin Portal, and then go to “Users”, “Active users”. If you’d like all users, you can set it up from Microsoft’s Secure Score site. ![]() You can set up MFA on individual users or for all users. This site is set up by a security researcher and sites such as Github use it to check on the quality of passwords. ![]() Think your domain isn’t at risk now? Try out a sample username and password on the site haveibeenpwned to see if you are already at risk. They might use their normal domain password on multiple websites. Too often end users reuse the same username and password on various websites. Enabling Azure MFA for Office 365 users ensures that if access occurs from an unusual location, it will be blocked until the user provides additional verification. If a single password is cracked, attackers could have their way in your system and you’d probably not be alerted to their access. Face it, using passwords alone can be dangerous. This Microsoft Office 365 security tip covers one of the best settings you can do, but might get you in the doghouse with your users: multifactor authentication (MFA).
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