API key authentication has nothing to do with user authentication, i.e., validating the credentials of the user of the application making the request. For truly secure authorization, you must use ...

How to implement basic password authentication for a minimal API in ASP.NET Core using a custom authentication handler that validates the user’s credentials against a database.

It’s less than a year until Microsoft turns off Basic Authentication for its Exchange Web Services (EWS). While new apps like Office 365 Pro Plus use modern authentication techniques, if you ...

Microsoft announced earlier this month that it's planning to deprecate the Exchange Web Services API for Office 365 users.

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 ...