Take advantage of API key authentication to control the access of applications and services to your Web APIs in ASP.NET Core.

Secure Web API using basic authentication Basic authentication sends the user’s credentials in plaint text over the wire. If you were to use basic authentication, you should use your Web API ...

They also should switch to using OAuth 2.0 for Exchange Online authentications in their applications, which is a "more secure and reliable" means of accessing data than Basic Authentication ...

They also should switch to using OAuth 2.0 for Exchange Online authentications in their applications, which is a "more secure and reliable" means of accessing data than Basic Authentication, according ...

Instead of using Exchange Web Services, Microsoft is recommending that organizations switch to the Microsoft Graph to access Exchange Online data. They also should switch to using OAuth 2.0 for ...