Integrated Evaluation of Security, Usability, and Privacy in Secure Messengers: A Selection Guide by Organizational Type 


Vol. 14,  No. 10, pp. 825-837, Oct.  2025
https://doi.org/10.3745/TKIPS.2025.14.10.825


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  Abstract

In the digital environment, secure messengers have become essential tools for handling confidential conversations within organizations. However, choosing a messenger solely on the basis of security can lead to practical issues in real use, including poor usability and insufficient privacy safeguards. To address this, this study proposes a framework that holistically evaluates security, usability, and privacy for organizational adoption, and presents analyses and evaluations of four major secure messengers—Wickr, Signal, Telegram, and Delta Chat—alongside KakaoTalk. The study offers a practical, priority-based decision criterion that enables organizations across government, enterprise, and civil-sector contexts to balance security, privacy, and usability when selecting a messenger. The proposed framework is also intended for practical use in subsequent system procurement and security-policy development.

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[IEEE Style]

H. G. Kim, C. a. W. An, K. S. Cho, S. J. Kim, "Integrated Evaluation of Security, Usability, and Privacy in Secure Messengers: A Selection Guide by Organizational Type," The Transactions of the Korea Information Processing Society, vol. 14, no. 10, pp. 825-837, 2025. DOI: https://doi.org/10.3745/TKIPS.2025.14.10.825.

[ACM Style]

Hyeon Gyeong Kim, Ch ae Won An, Kwang Soo Cho, and Seung Joo Kim. 2025. Integrated Evaluation of Security, Usability, and Privacy in Secure Messengers: A Selection Guide by Organizational Type. The Transactions of the Korea Information Processing Society, 14, 10, (2025), 825-837. DOI: https://doi.org/10.3745/TKIPS.2025.14.10.825.

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