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Hidden Trigger Backdoor Attacks

AAAI 2020 · Adversarial robustness and security › Backdoor and poisoning · approach: Trigger-based backdoor attacks · 532 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add hidden-trigger poisoned images with correct target labelsImageNet random-pair classifier · ImageNet random pairs, patched source validation imagesaccuracy: 0.987$\pm$0.02 -> 0.437$\pm$0.15Helped
Add hidden-trigger poisoned images with correct target labelsImageNet random-pair classifier · ImageNet random pairs, clean validation imagesaccuracy: 0.993$\pm$0.01 -> 0.982$\pm$0.01No clear effect
Use hidden-trigger poisoning instead of visible-trigger BadNets poisoningImageNet random-pair classifier · ImageNet random pairs, patched validation images, 100 poisonsaccuracy: 0.424$\pm$0.17 -> 0.437$\pm$0.15No clear effect
Increase epsilon from 8 to 32 (ablation)Hidden Trigger · ImageNet random pairs, patched source validation imagesaccuracy: 0.460$\pm$0.18 -> 0.422$\pm$0.17Helped
Increase trigger patch size from 15 to 60 (ablation)Hidden Trigger · ImageNet random pairs, patched source validation imagesaccuracy: 0.630$\pm$0.15 -> 0.118$\pm$0.06Helped
Increase poison count from 400 to 1000 (ablation)Hidden Trigger · 1000-class ImageNet classifierTargeted Attack efficiency: 0.360$\pm$0.01 -> 0.634$\pm$0.10Helped
Train fc6 and fc7 along with fc8 instead of training fc8 only (ablation)Hidden Trigger · ImageNet random pairs, patched source validation imagesaccuracy: 0.504$\pm$0.16 -> 0.646$\pm$0.18Hurt
Use hidden-trigger poisons on CIFAR10CIFAR10 random-pair classifier · CIFAR10 random pairs, patched source validation imagesaccuracy: 0.993$\pm$0.01 -> 0.182$\pm$0.14Helped
Use hidden-trigger poisons on visually similar dog categoriesImageNet dog-pair classifier · ImageNet dog pairs, patched source validation imagesaccuracy: 0.947$\pm$0.06 -> 0.419$\pm$0.07Helped
Use spectral signatures to detect hidden-trigger poisoned training dataHidden Trigger · ImageNet random pairs, poisoned target training datapoisoned images removed: 100 poisoned; 0 removed for pairs 1,2,4,6,7,8,9,10Hurt

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