Web: http://arxiv.org/abs/2301.09956

Jan. 25, 2023, 2:10 a.m. | Hailong Hu, Jun Pang

cs.CR updates on arXiv.org arxiv.org

Recent years have witnessed the tremendous success of diffusion models in
data synthesis. However, when diffusion models are applied to sensitive data,
they also give rise to severe privacy concerns. In this paper, we
systematically present the first study about membership inference attacks
against diffusion models, which aims to infer whether a sample was used to
train the model. Two attack methods are proposed, namely loss-based and
likelihood-based attacks. Our attack methods are evaluated on several
state-of-the-art diffusion models, over …

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