Attack-Resistant Federated Learning with Residual-based Reweighting

Shuhao Fu, Chulin Xie, Bo Li, Qifeng Chen
12/24/2019
cs.LGstat.ML
federated

Official code: fushuhao6/Attack-Resistant-Federated-Learning (32 stars, last commit 2020-04-08).

Abstract

Federated learning has a variety of applications in multiple domains by utilizing private training data stored on different devices. However, the aggregation process in federated learning is highly vulnerable to adversarial attacks so that the global model may behave abnormally under attacks. To tackle this challenge, we present a novel aggregation algorithm with residual-based reweighting to defend federated learning. Our aggregation algorithm combines repeated median regression with the reweighting scheme in iteratively reweighted least squares. Our experiments show that our aggregation algorithm outperforms other alternative algorithms in the presence of label-flipping and backdoor attacks. We also provide theoretical analysis for our aggregation algorithm.

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324Shell, PythonJan 21, 20206 years ago

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Cite this paper

@article{fu2019attackresistant,
  title  = {Attack-Resistant Federated Learning with Residual-based Reweighting},
  author = {Shuhao Fu and Chulin Xie and Bo Li and Qifeng Chen},
  year   = {2019},
  eprint = {1912.11464},
  archivePrefix = {arXiv},
  url    = {https://arxiv.org/abs/1912.11464}
}

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