QR Code Login for Frontline Workers

Key Concepts

• QR Code Login
• Frontline Workers
• Shared Devices (iOS, Android, iPadOS)
• Single-Factor Authentication
• Microsoft Entra ID (formerly Azure AD)
• Identity Protection
• Authentication Methods
• Conditional Access
• PIN Complexity and Lifetime
• Application Integration (Android & iOS)

QR Code Login for Frontline Workers

Overview

The video introduces a new QR code login option designed to simplify the authentication process for frontline workers using shared mobile devices. This method allows workers to scan a QR code (printed on a badge, for example) using the device's camera, enter a PIN, and gain access to applications. The primary goal is to streamline the login experience for users who require access to low-security applications on shared devices.

Security Considerations

The presenter emphasizes that this method is a single-factor authentication and should not be used for information workers or anyone requiring access to sensitive data. Conditional access policies can still be applied (e.g., requiring compliant devices or specific networks), but the inherent security limitations of single-factor authentication must be considered.

Quote: "I do want to stress I would not use this for any identity that requires dual factor that requires more security this really is a very basic and the goal is to make it a very simple experience..."

Enabling QR Code Login in Entra ID

1. Access Entra ID: Navigate to the Microsoft Entra ID portal.
2. Identity Protection: Go to "Identity Protection" and then "Authentication Methods."
3. QR Code Option: Select the "QR code" option.
4. Enablement: Enable the QR code login method.
5. Targeted Groups: Instead of enabling for all users, select specific groups containing frontline workers. This is crucial for security. Example: A group named "frontline" is created and selected.

Configuration Options

• PIN Length: The PIN length can be configured between 8 and 20 digits.
• PIN Complexity: The system enforces basic complexity requirements to prevent simple sequences or repeating digits.
• QR Code Lifetime: The validity period of the QR code can be set, with a maximum of 395 days. The presenter suggests shorter durations for less complex PINs. The default is 150 days.

Enabling QR Code Login for a User

1. Select User: Navigate to the specific frontline worker's user profile (e.g., Barry Allen).
2. Authentication Methods: Go to "Authentication Methods" for that user.
3. Add QR Code: Add a new authentication method and select "QR code."
4. Activation Time: Set the activation time (e.g., immediately).
5. PIN Generation: Generate a PIN or enter a custom one (the user will be forced to change it on first login).
6. Download QR Code: Crucially, download the generated QR code image. This is the only time it will be available.
7. Distribution: Print the QR code and provide it to the frontline worker (e.g., to attach to their badge).

User Experience

1. Login Page: On a shared device, the user navigates to the Microsoft login page.
2. Sign-in Options: Select "Sign-in options" and then "Sign in with a QR code."
3. Camera Access: Allow the page to access the device's camera.
4. Scan QR Code: Scan the QR code.
5. Enter PIN: Enter the PIN associated with the QR code.
6. First-Time Change: On the first login, the user will be prompted to change their PIN.

Application Integration

The video highlights that the QR code login can be integrated directly into custom applications for frontline workers. The Microsoft documentation provides code samples and guidance for implementing this on both Android and iOS platforms. This allows for a seamless login experience directly from the application's launch screen.

QR Code Management

• Deletion: A QR code can be deleted and a new one generated at any time.
• Temporary Codes: Temporary QR codes can be issued if a user loses their original code, allowing them to reset their PIN.

Conclusion

The QR code login option offers a simplified authentication method for frontline workers using shared devices. While convenient, it's crucial to understand the security implications of single-factor authentication and to implement appropriate conditional access policies. The presenter reiterates the importance of not using this method for users requiring higher levels of security.

Quote: "do not do this for your regular information works and I keep stressing this point this is not a super secure method it's a single factor but fantastic for those frontline workers..."