Multifactor Authentication

Paper Description This research paper, titled “Toward Usable and Privacy-Aware Multi-Factor Authentication: A Comparative Review and Conceptual Framework,” presents a comparative review of three existing research papers on Multi-Factor Authentication (MFA). It examines different authentication methods, including password-based authentication, one-time passwords (OTPs), biometrics, and device-based verification, with a focus on security, usability, privacy, and cloud security. The paper identifies key challenges in existing MFA systems, such as phishing attacks, user inconvenience, privacy risks, account recovery difficulties, and the need for additional authentication mechanisms. Based on the reviewed studies, it proposes a conceptual framework that combines strong primary authentication, risk-based additional verification, privacy-aware biometric use, and secure account recovery. The main objective of this paper is to discuss how MFA systems can provide stronger security while remaining convenient and accessible to users. The proposed framework is conceptual and requires future experimental evaluation to measure its effectiveness in real-world applications.