+MASTG-BEST-0031 Enforce Strong Biometrics for Sensitive Operations (Android)

MASTG-BEST-0031 Enforce Strong Biometrics for Sensitive Operations (Android)

Platform: Android
Knowledge: MASTG-KNOW-0001

For sensitive operations protected by Android biometrics, configure BiometricPrompt to require BIOMETRIC_STRONG rather than allowing weaker biometric classes. Android defines BIOMETRIC_STRONG as authentication using a Class 3 biometric, while BIOMETRIC_WEAK corresponds to Class 2 biometric authentication.

When the operation is intended to be biometric only, don't include DEVICE_CREDENTIAL in the allowed authenticators. DEVICE_CREDENTIAL enables fallback to the device screen lock credential (PIN, pattern, or password) instead of requiring a biometric factor. While not inherently a vulnerability, for high-security applications (e.g., finance, government, health) its use reduces the intended security posture and makes authentication more susceptible to shoulder surfing and social engineering.

1. Pārskats

Nosaukums	Standarts

1.1 Atsauces

1.2 Identificētās prasības

1.3 Saistītie tiesību akti

2. Identificētās prasības

Prasības
Avots	Prasība

3. Saistītie tiesību akti

Tiesību akti
Avots	Regulējums

Saistītie uzdevumi

Saites
Saites veids	Uzdevums
is related to	MASTG-TEST-0326 References to APIs Allowing Fallback to Non-Biometric Authentication (Android)

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