Aws Workspaces with Azure MFA Authenticator phone app notifications: Using the MS NPS Radius Server with the Azure MFA Extension | by Adrian Dimcev | Medium
RADIUS Authentication with Microsoft Office 365 - JumpCloud
Configure Unifi WPA Enterprise with Radius on Windows Server NPS - Cloudrun
MFA for VPN (CyberArk Identity Connector as a RADIUS server) | CyberArk Docs
RADIUS Overview & Debugging
Use Azure AD Multi-Factor Authentication with NPS - Azure Active Directory | Microsoft Docs