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Research map / Adversarial robustness and security / Backdoor and poisoning

Rethinking the Reverse-engineering of Trojan Triggers

NeurIPS 2022 · Adversarial robustness and security › Backdoor and poisoning · approach: Trigger-based backdoor attacks · 19 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use feature-space hyperplane constraint instead of input-space-only constraintsFeatureRE · CIFAR-10 IAdetection accuracy: 55% -> 95%Helped
same, on feature-space Filter attackFeatureRE · CIFAR-10 Filterdetection accuracy: 83% -> 93%Helped
same, on input-space BadNetsFeatureRE · CIFAR-10 BadNetsdetection accuracy: 100% -> 98%No clear effect
feature-space reverse-engineering vs trained classifiersFeatureRE · VGG WaNetdetection accuracy: 0.53 -> 93%Helped
break reverse-engineered hyperplane by neuron flippingFeatureRE · CIFAR-10 WaNet mitigationASR: 98.17% -> 0.04%Helped
split model at last conv layer instead of 9th layer (ablation)FeatureRE · CIFAR-10 ResNet18detection accuracy: 86.50% -> 94.75%Helped
vary tau1, tau2, tau3 constraint values (ablation)FeatureRE · CIFAR-10 IAdetection accuracy: 0.90-0.95No clear effect
use fewer than 10 clean samples per class (ablation)FeatureRE · CIFAR-10 IAdetection accuracyHurt
increase hyperplane size tau3 from 1% to 5% (ablation)FeatureRE · CIFAR-10 WaNet mitigationASR: 57.75% -> 0.04%Helped
vary clean samples 5 to 100 per class for mitigation (ablation)FeatureRE · CIFAR-10 WaNet mitigationASR: 0.08% -> 0.06%No clear effect
adaptive attacker breaks orthogonality of Trojan features (ablation)FeatureRE · CIFAR-10 BadNetsdetection accuracy: 98% -> 65%Hurt

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