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Microsoft Entra Blog

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Azure AD Mailbag: Discovering and blocking legacy authentication

Former Employee

Mar 15, 2019

Hey there, I am Andres Canello from the Azure AD Get-to-Production team. I'm a long time Exchange guy now working on Identity. I am very passionate about helping customers prevent password-base...

Updated Jul 24, 2020

Version 14.0

Customer and Partner

Sue Bohn

Former Employee

Joined September 27, 2018

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SaulG

Copper Contributor

Jul 09, 2020

The Azure AD Sign-In logs do not identity Legacy Auth very well. The field for Client App will show for example "Exchange Activesync" which does not tell you if it was Legacy or not. Is there another more reliable way to identify Legacy sign-ins?