Transferable adversarial attack based on attention space
Yunlong Bie , Jiaze Sun , Yinghui Zhang
The Journal of China Universities of Posts and Telecommunications ›› 2026, Vol. 33 ›› Issue (2) : 43 -54.
Adversarial attacks are a major challenge to the security of deep neural networks (DNNs). However, current transferable attacks often produce perturbations deterministically. This leads to poor local optima, resulting in low transferability. To address this issue, an attention-space transfer attack (ASTA) is proposed to enhance transferability through randomized disruption of salient features. Specifically, a randomized perturbation strategy utilizing latent codes is employed to disrupt shared attention features across models. Furthermore, attention and diversity loss functions are introduced to explicitly guide the generator in exploring the perturbation search space, thereby avoiding overfitting to surrogate models. Experimental results demonstrate that this method achieves an average attack success rate (ASR) of 83.6% on multiple black-box target ensemble models, 6.7% higher than the baseline methods. It effectively generates adversarial samples and demonstrates stronger transferability.
transferable adversarial attacks / attention space / generative models / diversity regularization / image classification
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