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Strengthening Privacy in Robust Federated Learning through Secure Aggregation

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aiscc2024-12-paper.pdf (664.8Kb)
Identificadores
URI: https://hdl.handle.net/20.500.12761/1833
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Autor(es)
Chu, Tianyue; İşler, Devriş; Laoutaris, Nikolaos
Fecha
2024-02-26
Resumen
Federated Learning (FL) has evolved into a pivotal paradigm for collaborative machine learning, enabling a centralised server to compute a global model by aggregating the local models trained by clients. However, the distributed nature of FL renders it susceptible to poisoning attacks that exploit its linear aggregation rule called FEDAVG. To address this vulnerability, FEDQV has been recently introduced as a superior alternative to FEDAVG, specifically designed to mitigate poisoning attacks by taxing more than linearly deviating clients. Nevertheless, FEDQV remains exposed to privacy attacks that aim to infer private information from clients’ local models. To counteract such privacy threats, a well-known approach is to use a Secure Aggregation (SA) protocol to ensure that the server is unable to inspect individual trained models as it aggregates them. In this work, we show how to implement SA on top of FEDQV in order to address both poisoning and privacy attacks. We mount several privacy attacks against FEDQV and demonstrate the effectiveness of SA in countering them.
Compartir
Ficheros
aiscc2024-12-paper.pdf (664.8Kb)
Identificadores
URI: https://hdl.handle.net/20.500.12761/1833
Metadatos
Mostrar el registro completo del ítem

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