Smart City Gnosys

Smart city article details

Title	Collecting, Processing And Secondary Using Personal And (Pseudo)Anonymized Data In Smart Cities
ID_Doc	14757
Authors	Sampaio S.; Sousa P.R.; Martins C.; Ferreira A.; Antunes L.; Cruz-Correia R.
Year	2023
Published	Applied Sciences (Switzerland), 13, 6
DOI	http://dx.doi.org/10.3390/app13063830
Abstract	Smart cities, leveraging IoT technologies, are revolutionizing the quality of life for citizens. However, the massive data generated in these cities also poses significant privacy risks, particularly in de-anonymization and re-identification. This survey focuses on the privacy concerns and commonly used techniques for data protection in smart cities, specifically addressing geolocation data and video surveillance. We categorize the attacks into linking, predictive and inference, and side-channel attacks. Furthermore, we examine the most widely employed de-identification and anonymization techniques, highlighting privacy-preserving techniques and anonymization tools; while these methods can reduce the privacy risks, they are not enough to address all the challenges. In addition, we argue that de-identification must involve properties such as unlikability, selective disclosure and self-sovereignty. This paper concludes by outlining future research challenges in achieving complete de-identification in smart cities. © 2023 by the authors.
Author Keywords	anonymization; data privacy; de-identification; pseudonymization; re-identification; smart cities

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