Search Results for author: Hangcheng Liu

Found 2 papers, 1 papers with code

TransTroj: Transferable Backdoor Attacks to Pre-trained Models via Embedding Indistinguishability

1 code implementation29 Jan 2024 Hao Wang, Tao Xiang, Shangwei Guo, Jialing He, Hangcheng Liu, Tianwei Zhang

Adopting untrusted PTMs may suffer from backdoor attacks, where the adversary can compromise the downstream models by injecting backdoors into the PTM.

Backdoor Attack

Local Black-box Adversarial Attacks: A Query Efficient Approach

no code implementations4 Jan 2021 Tao Xiang, Hangcheng Liu, Shangwei Guo, Tianwei Zhang, Xiaofeng Liao

Based on this property, we identify the discriminative areas of a given clean example easily for local perturbations.

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