Legacy authentication

Block legacy authentication with Microsoft Entra Conditional Access

This article explains how you can configure Conditional Access policies that block legacy authentication for all workloads within your tenant.

Understanding Modern vs. Legacy Authentication in Microsoft 365

The term legacy authentication doesn't refer to one particular protocol, but rather any that do not support Multi-Factor Authentication (MFA).

Legacy authentication - UW ITS - University of Washington

UW “Legacy authentication” is a term Microsoft sometimes uses to describe basic authentication when used with its cloud-based services.

Block legacy authentication with Conditional Access - Microsoft Learn

The following steps help create a Conditional Access policy to block legacy authentication requests. This policy is put in to Report-only mode to start.

Why You Need To Block Microsoft Legacy Authentication

Legacy authentication methods are vulnerable to account breaches and expose security weaknesses that allow hackers backdoor access to organization data.

Disabling Legacy Authentication Protocols - University of Houston

Microsoft is disabling legacy protocols on October 1, 2022. These protocols cannot be protected by multi-factor authentication (MFA) or Duo, therefore it is ...

Microsoft 365 Deprecating Basic & Legacy Authentication

Identifying Use of Basic & Legacy Authentication · Log in to the Microsoft Entra ID with an Administrator Account. · On the left menu, click ...

Modern Auth and Legacy Auth - Blog by Jonas Bøgvad

Modern authentication refers to a set of advanced authentication methods that provide stronger security and more flexibility than traditional authentication ...

Modern Authentication vs. Legacy Authentication: How to know what ...

This protocol was replaced by modern authentication, which uses Multifactor Authentication (MFA) to provide a more secure experience.

Legacy Auth : r/Office365 - Reddit

We have some multi function printer / scanners that email documents to our users. They only use legacy auth. How do we keep using them when Microsoft disables ...

Legacy Authentication | explained and how to tackle it, the right way!

Microsoft will disable basic auth on October 2022. There is no reason to wait with moving to modern auntill until Microsoft forces you to do ...

A Guide to Shift Away from Legacy Authentication Protocols in ...

This guide is meant to help ease the pain and smooth the transition from the M365 legacy protocols to a modern environment.

The risk of legacy authentication - act now to block it - SoftwareOne

Add a new filter for Client app, then select the filter and tick all the options for Legacy Authentication Clients. This will show all your ...

Enable Conditional Access policies to block legacy authentication

If you require MFA for all of your users then legacy authentication will automatically be disabled. The other option is creating a conditional access policy.

Question regarding Outlook 365 and disabling legacy authentication ...

I've been tasked with eliminating all legacy authentication modes in our organization and I'm running into an issue that is confusing me.

Block legacy authentication protocols using Azure AD Conditional ...

How to block legacy authentication? · Check sign-in logs for any legacy authentication usage · Prepare the Conditional Access policy and test it.

Preparing for Microsoft's Legacy Authentication Deprecation

Search for “legacy” in the search box and find “Sign-Ins using Legacy Authentication.” This will display applications, legacy protocols, and ...

Identify legacy authentication use - Practice Protect Support

You need to first understand if your users have apps that use legacy authentication and how it affects you. Azure AD sign-in logs can be used to understand.

Sign-ins using legacy authentication workbook - GitHub

This workbook helps you find and migrate critical workflows to more secure authentication methods before you shut off legacy authentication.

1.1.11 Enable Conditional Access policies to block legacy auth...

Enabling this setting will prevent users from connecting with older versions of Office, ActiveSync or using protocols like IMAP, POP or SMTP.