Biometric authentication systems: Trends, challenges, and future prospects - A comprehensive review.
1Department of Computer Engineering and Technology, Dr. Vishwanath Karad MIT World Peace University, Kothrud, Pune, Maharashtra 411038, India.
Methodsx
|April 30, 2026
Summary
Traditional authentication methods are insufficient for robust cybersecurity. Multimodal biometric systems offer enhanced security and reliability by combining multiple unique biological traits for user authentication.
Area of Science:
- Cybersecurity and Information Technology
- Biometrics and Human-Computer Interaction
Background:
- Increasing internet usage drives demand for secure user authentication and data confidentiality.
- Traditional methods like passwords and PINs are vulnerable to modern cyber threats.
- Unimodal biometric systems, while promising, face individual limitations in accuracy and robustness.
Purpose of the Study:
- To address the inadequacy of traditional authentication methods.
- To propose a more robust and reliable authentication system.
- To overcome the limitations inherent in unimodal biometric systems.
Main Methods:
- Development of a multimodal biometric authentication system.
- Integration of four key components: preprocessing, feature extraction, feature fusion, and authentication.
- Leveraging multiple biometric characteristics for enhanced identity verification.
Main Results:
- Multimodal systems provide greater robustness and reliability compared to unimodal systems.
- Merging data from diverse biometric modalities significantly boosts security and accuracy.
- The proposed system effectively overcomes the limitations of single-trait biometric authentication.
Conclusions:
- Multimodal biometric authentication is a viable and superior solution for secure identity verification.
- This approach enhances user confidentiality and system reliability in the face of evolving cyber threats.
- Future systems should leverage multimodal biometrics for comprehensive cybersecurity.

