Integrating Biometric Authentication in Financial Applications

Assume the role of a cybersecurity consultant specializing in finance. Develop a detailed plan for integrating biometric authentication into a financial application to enhance security. Outline the types of biometrics suitable for financial apps, such as fingerprint, facial recognition, or voice patterns, and explain the advantages and potential drawbacks of each. Specify how these methods can be implemented in existing financial systems while ensuring user privacy and data protection. Include a step-by-step integration process, discuss potential challenges and solutions, and provide examples of successful implementations in the finance sector. Aim for a final output that is comprehensive, actionable, and adaptable to different types of financial applications.