In this tutorial, we will discuss how to disable an warning, Microsoft has enabled security defaults to keep your account secure. We will see, how to disable Microsoft security defaults in office 365.
Recently, I singed up for an Office 365 tenant, and then it shows me the login screen like below:

On the login screen, it asks, “Microsoft has enabled security defaults to keep your account secure“. You can skip for 15 days or also show the option to use a different account.
By default Microsoft turn on “Enable Security defaults” for the new Office 365 tenants. Since the security defaults is enabled, then all the users will get the prompt to complete the multi factor authentication (MFA) registration during the process of signing.
But a few companies might not want to enable the MFA by default immediately for all the users in Office 365. If you want to disable microsoft security defaults office 365, follow the below steps to disable Microsoft security defaults office 365.
Microsoft has enabled security defaults to keep your account secure. turn off
Want Microsoft has enabled security defaults to keep your account secure. turn off? Follow the below steps:
Step-1:
Open Microsoft 365 admin center (https://admin.microsoft.com). Then expand Admin centers and then click on Azure Active Directory like below:

Step-2:
Then in the Azure Active Directory admin center, click on Azure Active Directory link from the favorites like below:

Step-3:
Then click on Properties and then click on Manage Security defaults like below:

Step-4:
Then it will open the Enable Security defaults option, here select No like below:

Once your disable this option, it will never as for MFA to any of the users.
You may like the following Office 365 tutorials:
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In this tutorial, we learned how to disable Microsoft has enabled security defaults to keep your account secure warning option in Office 365.
I am Bijay a Microsoft MVP (8 times –Â My MVP Profile) in SharePoint and have more than 15 years of expertise in SharePoint Online Office 365, SharePoint subscription edition, and SharePoint 2019/2016/2013. Currently working in my own venture TSInfo Technologies a SharePoint development, consulting, and training company. I also run the popular SharePoint website EnjoySharePoint.com
Is there a way to disable it through powershell?
I have created a user while Security Defaults are disabled, and when trying to log in to their Azure AD account on a PC, I am still getting the prompt for more information. 2FA is disabled for the user and Security Defaults are disabled.