Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System

Conducting a proper privacy analysis of a complex system is challenging in practice. Some privacy analysis methods and guidelines do not provide clear steps, limiting their applicability. Others suffer from practicality due to a lack of support from reference materials and common knowledge bases. On...

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Main Authors: Valerii Gakh, Hayretdin Bahsi, Thomas Hoffmann, Artem Boyarchuk, Oleksii Khramov
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10771777/
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author Valerii Gakh
Hayretdin Bahsi
Thomas Hoffmann
Artem Boyarchuk
Oleksii Khramov
author_facet Valerii Gakh
Hayretdin Bahsi
Thomas Hoffmann
Artem Boyarchuk
Oleksii Khramov
author_sort Valerii Gakh
collection DOAJ
description Conducting a proper privacy analysis of a complex system is challenging in practice. Some privacy analysis methods and guidelines do not provide clear steps, limiting their applicability. Others suffer from practicality due to a lack of support from reference materials and common knowledge bases. On the other side, the minority of industrially recognized privacy analysis tools may sometimes appear insufficient for case-specific analyst needs. The privacy analysis tooling should be fine-tuned for more effective practical application. In this paper, we proposed enhancements to one of the known but underused privacy risk analysis methods - PRIAM- and demonstrated our results in a case study with an e-justice system. First, we identified the weaknesses of PRIAM, such as its ambiguity in its terminology, lack of descriptions of the risk modeling process, and lack of common-knowledge materials for modeling decisions. We compared how these problems are dealt with in PRIAM and an industrially recognized privacy analysis method, LINDDUN and its derivatives. Eventually, we developed practical guidelines for the risk modeling steps of PRIAM, which benefit from the LINDDUN method and its supporting materials. Then, we demonstrate the applicability of our proposed enhancements and guidelines by conducting a privacy risk modeling on an e-justice platform. As this platform covers various components, including a blockchain, we also elaborated on our findings from technical and legal perspectives.
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spelling doaj-art-e018624c30f245fd93ae0737c8d545192024-12-17T00:00:30ZengIEEEIEEE Access2169-35362024-01-011218385118387410.1109/ACCESS.2024.350933210771777Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice SystemValerii Gakh0https://orcid.org/0009-0003-1236-6587Hayretdin Bahsi1https://orcid.org/0000-0001-8882-4095Thomas Hoffmann2https://orcid.org/0000-0003-4761-0722Artem Boyarchuk3https://orcid.org/0000-0001-7349-1371Oleksii Khramov4School of Information Technologies, Tallinn University of Technology, Tallinn, EstoniaSchool of Information Technologies, Tallinn University of Technology, Tallinn, EstoniaDepartment of Law, Tallinn University of Technology, Tallinn, EstoniaDepartment of Law, Tallinn University of Technology, Tallinn, EstoniaDepartment of Law, Tallinn University of Technology, Tallinn, EstoniaConducting a proper privacy analysis of a complex system is challenging in practice. Some privacy analysis methods and guidelines do not provide clear steps, limiting their applicability. Others suffer from practicality due to a lack of support from reference materials and common knowledge bases. On the other side, the minority of industrially recognized privacy analysis tools may sometimes appear insufficient for case-specific analyst needs. The privacy analysis tooling should be fine-tuned for more effective practical application. In this paper, we proposed enhancements to one of the known but underused privacy risk analysis methods - PRIAM- and demonstrated our results in a case study with an e-justice system. First, we identified the weaknesses of PRIAM, such as its ambiguity in its terminology, lack of descriptions of the risk modeling process, and lack of common-knowledge materials for modeling decisions. We compared how these problems are dealt with in PRIAM and an industrially recognized privacy analysis method, LINDDUN and its derivatives. Eventually, we developed practical guidelines for the risk modeling steps of PRIAM, which benefit from the LINDDUN method and its supporting materials. Then, we demonstrate the applicability of our proposed enhancements and guidelines by conducting a privacy risk modeling on an e-justice platform. As this platform covers various components, including a blockchain, we also elaborated on our findings from technical and legal perspectives.https://ieeexplore.ieee.org/document/10771777/Privacy risk assessmentPRIAMLINDDUNe-justice blockchain
spellingShingle Valerii Gakh
Hayretdin Bahsi
Thomas Hoffmann
Artem Boyarchuk
Oleksii Khramov
Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System
IEEE Access
Privacy risk assessment
PRIAM
LINDDUN
e-justice blockchain
title Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System
title_full Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System
title_fullStr Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System
title_full_unstemmed Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System
title_short Enhancing Privacy Risk Modeling in Practice: A Case Study of an e-Justice System
title_sort enhancing privacy risk modeling in practice a case study of an e justice system
topic Privacy risk assessment
PRIAM
LINDDUN
e-justice blockchain
url https://ieeexplore.ieee.org/document/10771777/
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