Detailed Explanation:

Rationale for Correct Answer: Biometric authentication (e.g., fingerprint, facial recognition) strengthens payment security by ensuring that only the authorized user can approve transactions, reducing the risk of unauthorized access even if credentials are stolen.

Analysis of Incorrect Options:

A – Using the same credentials increases exposure to credential-stuffing attacks.

C – Disabling biometrics weakens, not strengthens, security.

D – Incorrect since B is valid.

Key Concept: Cyberfraud prevention – authentication and mobile payment controls.