The window for entering a username and password when performing modern authentication looks like this. Modern Auth supports additional authentication factors including MFA. Apps don’t store or use user credentials, and authentication is based on time-limited tokens. Modern Authentication is based on ADAL (Active Directory Authentication Library) and OAuth 2.0 protocols.Applications store and explicitly use the username and password for authentication. This authentication type doesn’t support MFA (Multifactor Authentication) and is not robust against brute-force attacks. Basic auth is performed through a simple Windows Security window that prompts for a credential (username and password) and prompts you to save your password to the Windows Credential Manager. Basic Authentication – this type of authentication is familiar to all Windows users.Microsoft currently supports the following types of authentication for Office 365 (Microsoft 365): How to Enable Modern Authentication for Microsoft 365 Tenant?.Basic Authentication Sign-in Log in Azure AD.

Azure security defaults