![]() ![]() I would not enable Security Defaults if you are planning on implementing or already have Conditional Access Policies in place for your tenant. Also, if you are paying for Azure Active Directory P1 or P2 licenses, then using Conditional Access policies allows you more flexibility with your security policies. Select Client app and select all options under Legacy Authentication Clients. Log into Azure AD by going to and then select Azure Active Directory and then Sign-in logs. Also, legacy authentication does not support MFA meaning you can’t force the use of MFA on apps or clients that are only using basic authentication. It should be relatively easy to move away from this since most apps or clients support modern authentication these days. You can use conditional access policies, enable security defaults, or turn off basic authentication protocols in the Org Settings in the admin center to block legacy authentication for your tenant.īefore you turn off legacy authentication, I recommend you review Azure AD Sign-In logs to look for any legacy sign-ins. Leaving legacy authentication on opens the door for all types of credential attacks. Legacy authentication is simply referring to an app or client that is only using basic authentication or simply passing a username and password. I will show you how to easily export the report to CSV. To see which users have MFA enabled or not refer to my article Get MFA Status with PowerShell. ![]() ![]() If you want to use the OATH hardware tokens, you will need to purchase an Azure Active Directory Premium P1 or P2 license for each user you assign a token. ![]() Options for MFA include using the Microsoft Authentication app, texting a code to a phone number, and OATH hardware tokens. You can enable MFA for your tenant in Azure Active Directory on a per-user basis, by enabling Security Defaults, or by using Conditional Access policies These days, just a password is not the most secure, even with complex passwords. It is always a good idea to have more than one authentication method for any platform you use. MFA allows you to secure user logins by adding multiple authentication methods. The very first step you should do after you set up your tenant is to enable MFA for Office 365. Enable Multi-Factor Authentication (MFA) for your tenant You need to carefully review the recommendations and determine the potential impact of each change. I am guessing there’ll be a bit of kickback around this being a single option that has no other configurable options in it, so we’ll have to wait and see if the product changes, or Microsoft’s vision of a security toggle stays as their goal.Warning: I recommend that you get proper approval from your organization before making these security changes. Security Defaults isn’t listed as being in Preview as far as I can tell, so it may be an option that’s just rolled out and a ready to go. Security Defaults is also available to all customers on all tiers – Azure AD Free tier, which means those who have basic needs can now be protected in several ways they weren’t able to do via Conditional Access before. It means a new tenant can now have a single option to start with to implement several critical aspects to protect the tenant against attacks – right now there’s a lot you need to go through to lock it down, and especially for a small business who doesn’t have the time or resources to do this as well as a larger one, a single on/off switch solves a lot of security problems. There’s a lot this option does, and may break many environments who aren’t ready for this – such as making sure you have no Legacy Authentication requirements, and that all users will register for MFA within 14 days or be blocked from sign-in until they register.Īlthough I can see this option being turned on by an uninformed administrator and causing some chaos, I like the idea of this. Before flipping this switch to ‘On’, you’ll need to have a really good read of the documentation. ![]()
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