Some time ago Microsoft released a very cool feature that caught our attention. That was a passwordless authentication functionality that provides seamless single sign-on (SSO) to on-premises resources, using security keys such as the famous FIDO2 keys.
So, the idea was simple, you could sign-in to your hybrid Azure AD-joined Windows 10 device and automatically access both cloud and on-premises resources. The FIDO2 security key became the access key to the two kingdoms. SSO everywhere, and no p…