Privacy Assessment of Federated Learning using Private Personalized Layers

Fuente: arXiv
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Autores principales: Jourdan, Théo, Boutet, Antoine, Frindel, Carole
Formato: Preprint
Publicado: 2021
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author Jourdan, Théo
Boutet, Antoine
Frindel, Carole
author_facet Jourdan, Théo
Boutet, Antoine
Frindel, Carole
contents Federated Learning (FL) is a collaborative scheme to train a learning model across multiple participants without sharing data. While FL is a clear step forward towards enforcing users' privacy, different inference attacks have been developed. In this paper, we quantify the utility and privacy trade-off of a FL scheme using private personalized layers. While this scheme has been proposed as local adaptation to improve the accuracy of the model through local personalization, it has also the advantage to minimize the information about the model exchanged with the server. However, the privacy of such a scheme has never been quantified. Our evaluations using motion sensor dataset show that personalized layers speed up the convergence of the model and slightly improve the accuracy for all users compared to a standard FL scheme while better preventing both attribute and membership inferences compared to a FL scheme using local differential privacy.
format Preprint
id arxiv_https___arxiv_org_abs_2106_08060
institution arXiv
publishDate 2021
record_format arxiv
spellingShingle Privacy Assessment of Federated Learning using Private Personalized Layers
Jourdan, Théo
Boutet, Antoine
Frindel, Carole
Cryptography and Security
Artificial Intelligence
Machine Learning
Federated Learning (FL) is a collaborative scheme to train a learning model across multiple participants without sharing data. While FL is a clear step forward towards enforcing users' privacy, different inference attacks have been developed. In this paper, we quantify the utility and privacy trade-off of a FL scheme using private personalized layers. While this scheme has been proposed as local adaptation to improve the accuracy of the model through local personalization, it has also the advantage to minimize the information about the model exchanged with the server. However, the privacy of such a scheme has never been quantified. Our evaluations using motion sensor dataset show that personalized layers speed up the convergence of the model and slightly improve the accuracy for all users compared to a standard FL scheme while better preventing both attribute and membership inferences compared to a FL scheme using local differential privacy.
title Privacy Assessment of Federated Learning using Private Personalized Layers
topic Cryptography and Security
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2106.08060