What is modern authentication?

What is modern authentication?

What is modern authentication? Modern authentication is an umbrella term for a combination of authentication and authorization methods between a client (for example, your laptop or your phone) and a server, as well as some security measures that rely on access policies that you may already be familiar with.

Is modern authentication mandatory?

Modern Authentication will be required for Exchange Online, so get ready. However, as a means of increasing security, Microsoft has announced plans to end the ability to connect to Exchange Online with Basic Authentication, and start requiring OAuth 2.0 (also known as Modern Authentication) instead. …

What is Csom in C#?

For C# developers Microsoft introduced . NET based API for reading and writing data to SharePoint. SharePoint Client Side Object Model (CSOM) allows developers to retrieve, update and manage data in SharePoint Online. SharePoint Online makes the CSOM available in several forms.

What is basic vs modern authentication?

Under Basic Authentication, a user name and password gets transmitted to authenticate users and grant them access to the e-mail service. Modern authentication is based on the use of OAuth 2.0 tokens and the Active Directory Authentication Library.

What happens if I turn on modern authentication?

What are the impacts of enabling Modern Authentication on the Microsoft 365 tenant? Without Modern Authentication enabled: Outlook will prompt the user for username + password in a popup. With Modern Authentication enabled: Outlook will display a mini browser to lead the user through the authentication workflow.

How do I turn off modern authentication?

You can do this in the Microsoft 365 Admin Center: Expand Settings and click on Org Settings. Click on Modern Authentication. Turn off all basic authentication protocols.

How to use CSOM for multi-factor authentication?

We can use the following switch to show a web login for authentication which handles MFA. Using the helper methods from the OfficeDevPnP.Core and PnP Powershell we can use a standardized solution to show a web login, which not only handles multi-factor authentication but also most of the authentication mechanisms.

How to authenticate in PowerShell with CSOM credentials?

We then call $authManager.GetWebLoginClientContext ($siteUrl); . This return back a ClientContext object that uses the same credentials allowing the CSOM calls to authenticate successfully now. Note that user will need to enter credential every time the powershell script executes in a new PowerShell console session.

How to switch from basic authentication to modern authentication?

For Exchange ActiveSync clients that support modern authentication, you must recreate the profile in order to switch from basic authentication to modern authentication.

How to use CSOM to connect to SharePoint site?

When we use this method, it opens a pop-up with the standard tenant login page, and users will be prompted for the credentials and challenges for the second-factor authentication. Once the user authenticates themselves, the authentication token is read by the AuthenticationManager and it prepares a ClientContext Object which we can use.