Self-Destructing Messenger Based on PII Detection 


Vol. 50,  No. 10, pp. 1603-1612, Oct.  2025
10.7840/kics.2025.50.10.1603


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  Abstract

This study proposes a security-enhanced self-destructing messenger application to prevent personal information leakage. The proposed application classifies personal information into four sensitivity levels and utilizes real-time personal information detection to preemptively mitigate leakage risks. Depending on the sensitivity level, appropriate protection measures are automatically activated. Additionally, users can set access conditions (e.g., time limits and view counts) to control message access and viewing. This mechanism ensures that sensitive information is automatically deleted according to predefined conditions, minimizing the risk of exposure. Furthermore, the application employs AES encryption and Android KeyStore to securely store messages and enhance security by making message recovery difficult after deletion. Experimental results show that the detection accuracy for different sensitivity levels reached 96.25% and attempts to recover deleted messages using leading forensic tools proved unsuccessful.

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  Cite this article

[IEEE Style]

Y. So and S. Lee, "Self-Destructing Messenger Based on PII Detection," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 10, pp. 1603-1612, 2025. DOI: 10.7840/kics.2025.50.10.1603.

[ACM Style]

Ye-na So and Sun-woo Lee. 2025. Self-Destructing Messenger Based on PII Detection. The Journal of Korean Institute of Communications and Information Sciences, 50, 10, (2025), 1603-1612. DOI: 10.7840/kics.2025.50.10.1603.

[KICS Style]

Ye-na So and Sun-woo Lee, "Self-Destructing Messenger Based on PII Detection," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 10, pp. 1603-1612, 10. 2025. (https://doi.org/10.7840/kics.2025.50.10.1603)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880