This is an outdated method that can no longer provide adequate protection against credential threats. When you enter your username and password in an email client, these are transmitted to Exchange Online for verification and authentication before connecting you to the cloud service. What is basic authentication?īasic authentication is the process of connecting to Office 365 applications using only a username and password. Even though basic authentication will be deprecated later this year, it’s important to understand the differences between the two options. These two authentication methods widely differ in terms of protection capabilities. Note that for connecting to SharePoint Online using a client, only modern authentication and Microsoft Online Sign-in Assistant are available. Until the deprecation of basic authentication scheduled for the end of 2022, Microsoft will provide two types of authentication for hybrid deployments of Exchange and Skype for Business: basic authentication and modern authentication. Skype for Business Modern Authentication.Disabling Office 365 Basic Authentication.How Do I Enable Modern Authentication in Office 365.This blog offers a short overview of the basic and modern authentication methods for hybrid Office deployments and provides the steps to enable modern authentication in Office 365. However, in hybrid on-premises–cloud Office deployments, you need to enable modern authentication manually for older Office client versions and disable basic authentication where possible. It is the only login method available for Office 365 apps and services. This method requires additional user authentication and authorization when connecting to online Office 365 resources.ĭue to its significant benefits, modern authentication has been enabled by default in all Office 365 tenants created since 2017. To improve the security of Office logins and help prevent data breaches, Microsoft introduced the modern authentication method.

Social engineering, credential phishing and brute force attacks are some of the methods used by malicious actors to steal credentials. According to a Verizon report, the majority of data breaches are made possible by compromised credentials, especially on email servers.

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