Smartphone as a Security Key

IDmelon supports a smartphone as a security key for passwordless authentication across supported user journeys.

Prerequisites

Before using a smartphone as a security key, users must:

  1. Install the IDmelon Authenticator App available on both the App Store (iOS) and Google Play Store (Android).
  2. Enable IDmelon as the Default Passkey Autofill Provider:
    • Open the IDmelon Authenticator App.
    • Tap the menu (☰) icon
    • Go to Autofill Passkey.
    • Enable IDmelon in the phone’s system settings.

Supported Scenarios

Once available to the user, the smartphone can be used as a security key for web authentication, including Microsoft 365 sign-ins.

Note: If the user also needs to log in to Windows with their smartphone, one of the following setups is required:

  • Dedicated PC: Install the IDmelon Pairing Tool from the IDmelon website and pair it with the user’s phone.
  • Shared PC: Use the IDmelon Reader connected to the machine to enable smartphone-based login.