Advanced Cross-Attack Backdoor Detector Based on Disturbance Immunity Learned From Classic Backdoor Attacks

Summary

The paper presents the Advanced Cross-attack Backdoor Detector (ACBD), which detects trigger-injected samples by solving a labeled binary classification task based on disturbance immunity, rather than unlabeled feature clustering. ACBD is trained on one class of a poisoned dataset (1/100 of CIFAR-100) with two classic attacks, using a small LSTM with 53 K parameters and at most 10 clean images for perturbation. The authors report state-of-the-art detection with cross-attack generalization, including on unseen triggers and different target labels.

Topics

• Adversarial machine learning

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