Ziller, A.* ; Mueller, T.T.* ; Braren, R.* ; Rueckert, D.* ; Kaissis, G.*
Privacy: An axiomatic approach.
Entropy 24:714 (2022)
The increasing prevalence of large-scale data collection in modern society represents a potential threat to individual privacy. Addressing this threat, for example through privacy-enhancing technologies (PETs), requires a rigorous definition of what exactly is being protected, that is, of privacy itself. In this work, we formulate an axiomatic definition of privacy based on quantifiable and irreducible information flows. Our definition synthesizes prior work from the domain of social science with a contemporary understanding of PETs such as differential privacy (DP). Our work highlights the fact that the inevitable difficulties of protecting privacy in practice are fundamentally information-theoretic. Moreover, it enables quantitative reasoning about PETs based on what they are protecting, thus fostering objective policy discourse about their societal implementation.
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Publication type
Article: Journal article
Document type
Scientific Article
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Editors
Keywords
Confidentiality ; Differential Privacy ; Information Flow ; Privacy ; Privacy-enhancing Technologies ; Secrecy
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Language
english
Publication Year
2022
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2022
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1099-4300
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Volume: 24,
Issue: 5,
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Article Number: 714
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MDPI
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Peer reviewed
POF-Topic(s)
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-530014-001
Grants
German Cancer Research Center
Deutsche Forschungsgemeinschaft
UK Research and Innovation
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Erfassungsdatum
2022-09-13