Blog Post

Microsoft Entra Blog

5 MIN READ

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

View Profile

Microsoft Entra Blog

Stay informed on how to secure access for employees, customers, and non-human identities, from anywhere, to multicloud and on-premises resources, with comprehensive identity and network access solutions powered by AI.

rpodric

Bronze Contributor

Mar 15, 2019

Relative to the approach described in your last paragraph, particularly "The protocol connection is denied before checking the credentials against Azure AD," is there any way to explain this ongoing mystery? If the "attackers don’t even get to try to use passwords," why are lockouts still occurring?

https://github.com/MicrosoftDocs/OfficeDocs-Exchange/issues/339