In Keywin 6 IoT you can activate a two-factor login using Google Authenticator.
What that does is that once activated, when you log in to Keywin 6, you need to add your sitename, your password, and an auto-generated code from the Google Authenticator in order to identify yourself.
Click the link for a step-by-step manual on how to activate the setting: Two-factor Authentification manual-Keywin 6 IoT