Improving Adversarial Robustness of Ensembles with Diversity Training
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Abstract (arXiv)
Deep Neural Networks are vulnerable to adversarial attacks even in settings where the attacker has no direct access to the model being attacked. Such attacks usually rely on the principle of transferability, whereby an attack crafted on a surrogate model tends to transfer to the target model. We show that an ensemble of models with misaligned loss gradients can provide an effective defense against transfer-based attacks. Our key insight is that an adversarial example is less likely to fool multiple models in the ensemble if their loss functions do not increase in a correlated fashion. To this end, we propose Diversity Training, a novel method to train an ensemble of models with uncorrelated loss functions. We show that our method significantly improves the adversarial robustness of ensembles and can also be combined with existing methods to create a stronger defense.
Key facts. Cited by 69 papers in the map (data through 14 Oct 2026). First posted on arXiv 28 Jan 2019.
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Citing papers per year: 2021: 21; 2022: 12; 2023: 14; 2024: 12; 2025: 9; 2026: 1.
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- 2021Recent Advances in Adversarial Training for Adversarial Robustnesscited by 279
- 20223D Common Corruptions and Data Augmentationcited by 119
- 2021Evading the Simplicity Bias: Training a Diverse Set of Models Discovers Solutions with Superior OOD Generalizationcited by 83
- 2022Agree to Disagree: Diversity through Disagreement for Better Transferabilitycited by 70
- 2021DICE: Diversity in Deep Ensembles via Conditional Redundancy Adversarial Estimationcited by 48
- 2023An Adaptive Model Ensemble Adversarial Attack for Boosting Adversarial Transferabilitycited by 42
- 2021On the Certified Robustness for Ensemble Models and Beyondcited by 40
- 2021TRS: Transferability Reduced Ensemble via Encouraging Gradient Diversity and Model Smoothnesscited by 38
- 2021GradDiv: Adversarial Robustness of Randomized Neural Networks via Gradient Diversity Regularizationcited by 34
- 2021Knowledge Enhanced Machine Learning Pipeline against Diverse Adversarial Attackscited by 24
- 2021Robustness via Cross-Domain Ensemblescited by 23
- 2022A Survey of Adversarial Defences and Robustness in NLPcited by 23
38 more
- 2023Introducing Competition to Boost the Transferability of Targeted Adversarial Examples through Clean Feature Mixupcited by 17
- 2023Pathologies of Predictive Diversity in Deep Ensemblescited by 16
- 2023Understanding and Improving Ensemble Adversarial Defensecited by 14
- 2021Learning Diverse-Structured Networks for Adversarial Robustnesscited by 12
- 2024Collaboration! Towards Robust Neural Methods for Routing Problemscited by 9
- 2021Adversarial Transfer Attacks With Unknown Data and Class Overlapcited by 8
- 2022Improving robustness and calibration in ensembles with diversity regularizationcited by 8
- 2022Building Robust Ensembles via Margin Boostingcited by 8
- 2023MalProtect: Stateful Defense Against Adversarial Query Attacks in ML-based Malware Detectioncited by 8
- 2023Semantic and Expressive Variation in Image Captions Across Languagescited by 8
- 2022MORA: Improving Ensemble Robustness Evaluation with Model-Reweighing Attackcited by 7
- 2024DIVE: Subgraph Disagreement for Graph Out-of-Distribution Generalizationcited by 7
- 2024Understanding Model Ensemble in Transferable Adversarial Attackcited by 7
- 2021Mixture of Robust Experts (MoRE):A Robust Denoising Method towards multiple perturbationscited by 6
- 2021Approximate Neural Architecture Search via Operation Distribution Learningcited by 6
- 2021Push Stricter to Decide Better: A Class-Conditional Feature Adaptive Framework for Improving Adversarial Robustnesscited by 6
- 2024Survey of Computerized Adaptive Testing: A Machine Learning Perspectivecited by 6
- 2022Adversarial Vulnerability of Randomized Ensemblescited by 5
- 2024Towards Adversarial Robustness of Model-Level Mixture-of-Experts Architectures for Semantic Segmentationcited by 5
- 2022Resisting Adversarial Attacks in Deep Neural Networks using Diverse Decision Boundariescited by 4
- 2023On the Role of Randomization in Adversarially Robust Classificationcited by 4
- 2021Greedy Bayesian Posterior Approximation with Deep Ensemblescited by 3
- 2023On the Robustness of Randomized Ensembles to Adversarial Perturbationscited by 3
- 2023Multi-attacks: Many images + the same adversarial attack → many target labelscited by 3
- 2024Improving Transferable Targeted Adversarial Attack via Normalized Logit Calibration and Truncated Feature Mixingcited by 3
- 2021"What's in the box?!": Deflecting Adversarial Attacks by Randomly Deploying Adversarially-Disjoint Modelscited by 2
- 2021Ensemble Defense with Data Diversity: Weak Correlation Implies Strong Robustnesscited by 2
- 2021Saliency Diversified Deep Ensemble for Robustness to Adversariescited by 2
- 2022Adversarial Ensemble Training by Jointly Learning Label Dependencies and Member Modelscited by 2
- 2023Certifying Ensembles: A General Certification Theory with S-Lipschitznesscited by 2
- 2023Dynamic ensemble selection based on Deep Neural Network Uncertainty Estimation for Adversarial Robustnesscited by 2
- 2024Adversarial Training via Adaptive Knowledge Amalgamation of an Ensemble of Teacherscited by 2
- 2025Robust Confinement State Classification with Uncertainty Quantification through Ensembled Data-Driven Methodscited by 2
- 2025Use as Many Surrogates as You Want: Selective Ensemble Attack to Unleash Transferability without Sacrificing Resource Efficiencycited by 2
- 2025Merge Now, Regret Later: The Hidden Cost of Model Merging Is Adversarial Transferabilitycited by 2
- 2021CoG: a Two-View Co-training Framework for Defending Adversarial Attacks on Graphcited by 1
- 2021Evolving Architectures with Gradient Misalignment toward Low Adversarial Transferabilitycited by 1
- 2021Mitigating Adversarial Attacks by Distributing Different Copies to Different Userscited by 1
50 most cited of 69 All 69 (JSON)
- 2026Perspective-Invariant Attack with Enhanced Transferability of Adversarial Examples15 Aug 2026
- 2025Tuning for Two Adversaries: Enhancing the Robustness Against Transfer and Query-Based Attacks using Hyperparameter Tuning17 Nov 2025
- 2025DeepDefense: Robust Learning via Layer-Wise Gradient-Feature Alignment13 Nov 2025
- 2025Merge Now, Regret Later: The Hidden Cost of Model Merging Is Adversarial Transferability28 Sep 2025
- 2025Learning from Peers: Collaborative Ensemble Adversarial Training27 Aug 2025
- 2025Theoretical Analysis of Relative Errors in Gradient Computations for Adversarial Attacks with CE Loss30 Jul 2025
- 2025Lattice Climber Attack: Adversarial attacks for randomized mixtures of classifiers12 Jun 2025
- 2025Use as Many Surrogates as You Want: Selective Ensemble Attack to Unleash Transferability without Sacrificing Resource Efficiency19 May 2025
- 2025Two is Better than One: Efficient Ensemble Defense for Robust and Compact Models7 Apr 2025
- 2025Robust Confinement State Classification with Uncertainty Quantification through Ensembled Data-Driven Methods24 Feb 2025
- 2024Towards Adversarial Robustness of Model-Level Mixture-of-Experts Architectures for Semantic Segmentation16 Dec 2024
- 2024Multi-Armed Bandit Approach for Optimizing Training on Synthetic Data6 Dec 2024
38 more
- 2024Understanding Model Ensemble in Transferable Adversarial Attack9 Oct 2024
- 2024LOTOS: Layer-wise Orthogonalization for Training Robust Ensembles7 Oct 2024
- 2024Collaboration! Towards Robust Neural Methods for Routing Problems7 Oct 2024
- 2024DIVE: Subgraph Disagreement for Graph Out-of-Distribution Generalization8 Aug 2024
- 2024Adversarial Training via Adaptive Knowledge Amalgamation of an Ensemble of Teachers22 May 2024
- 2024Improving Transferable Targeted Adversarial Attack via Normalized Logit Calibration and Truncated Feature Mixing10 May 2024
- 2024UDUC: An Uncertainty-driven Approach for Learning-based Robust Control4 May 2024
- 2024Survey of Computerized Adaptive Testing: A Machine Learning Perspective31 Mar 2024
- 2024Ensemble Adversarial Defense via Integration of Multiple Dispersed Low Curvature Models25 Mar 2024
- 2024CARE: Ensemble Adversarial Robustness Evaluation Against Adaptive Attackers for Security Applications20 Jan 2024
- 2023Understanding and Improving Ensemble Adversarial Defense27 Oct 2023
- 2023Semantic and Expressive Variation in Image Captions Across Languages22 Oct 2023
- 2023Extreme Image Transformations Facilitate Robust Latent Object Representations19 Sep 2023
- 2023An Adaptive Model Ensemble Adversarial Attack for Boosting Adversarial Transferability5 Aug 2023
- 2023Multi-attacks: Many images + the same adversarial attack → many target labels4 Aug 2023
- 2023Dynamic ensemble selection based on Deep Neural Network Uncertainty Estimation for Adversarial Robustness1 Aug 2023
- 2023Adversarial attacks for mixtures of classifiers20 Jul 2023
- 2023Introducing Competition to Boost the Transferability of Targeted Adversarial Examples through Clean Feature Mixup24 May 2023
- 2023Certifying Ensembles: A General Certification Theory with S-Lipschitzness25 Apr 2023
- 2023MalProtect: Stateful Defense Against Adversarial Query Attacks in ML-based Malware Detection21 Feb 2023
- 2023On the Role of Randomization in Adversarially Robust Classification14 Feb 2023
- 2023On the Robustness of Randomized Ensembles to Adversarial Perturbations2 Feb 2023
- 2023Pathologies of Predictive Diversity in Deep Ensembles1 Feb 2023
- 2023Effectiveness of Moving Target Defenses for Adversarial Attacks in ML-based Malware Detection1 Feb 2023
- 2022MORA: Improving Ensemble Robustness Evaluation with Model-Reweighing Attack15 Nov 2022
- 2022Learning Robust Kernel Ensembles with Kernel Average Pooling30 Sep 2022
- 2022Resisting Adversarial Attacks in Deep Neural Networks using Diverse Decision Boundaries18 Aug 2022
- 2022Adversarial Ensemble Training by Jointly Learning Label Dependencies and Member Models29 Jun 2022
- 2022Adversarial Vulnerability of Randomized Ensembles14 Jun 2022
- 2022Defending Adversarial Examples by Negative Correlation Ensemble11 Jun 2022
- 2022Building Robust Ensembles via Margin Boosting7 Jun 2022
- 2022On the Perils of Cascading Robust Classifiers1 Jun 2022
- 2022A Survey of Adversarial Defences and Robustness in NLP12 Mar 2022
- 20223D Common Corruptions and Data Augmentation2 Mar 2022
- 2022Agree to Disagree: Diversity through Disagreement for Better Transferability9 Feb 2022
- 2022Improving robustness and calibration in ensembles with diversity regularization26 Jan 2022
- 2021Saliency Diversified Deep Ensemble for Robustness to Adversaries7 Dec 2021
- 2021Push Stricter to Decide Better: A Class-Conditional Feature Adaptive Framework for Improving Adversarial Robustness1 Dec 2021
50 newest of 69 All 69 (JSON)
- 2021Recent Advances in Adversarial Training for Adversarial Robustnesscited by 279
- 20223D Common Corruptions and Data Augmentationcited by 119
- 2021Evading the Simplicity Bias: Training a Diverse Set of Models Discovers Solutions with Superior OOD Generalizationcited by 83
- 2022Agree to Disagree: Diversity through Disagreement for Better Transferabilitycited by 70
- 2021DICE: Diversity in Deep Ensembles via Conditional Redundancy Adversarial Estimationcited by 48
- 2023An Adaptive Model Ensemble Adversarial Attack for Boosting Adversarial Transferabilitycited by 42
- 2021On the Certified Robustness for Ensemble Models and Beyondcited by 40
- 2021TRS: Transferability Reduced Ensemble via Encouraging Gradient Diversity and Model Smoothnesscited by 38
- 2021GradDiv: Adversarial Robustness of Randomized Neural Networks via Gradient Diversity Regularizationcited by 34
- 2021Knowledge Enhanced Machine Learning Pipeline against Diverse Adversarial Attackscited by 24
- 2021Robustness via Cross-Domain Ensemblescited by 23
- 2022A Survey of Adversarial Defences and Robustness in NLPcited by 23
12 most cited of 66 All 66 (JSON)
- 2026Perspective-Invariant Attack with Enhanced Transferability of Adversarial Examples15 Aug 2026
- 2025Tuning for Two Adversaries: Enhancing the Robustness Against Transfer and Query-Based Attacks using Hyperparameter Tuning17 Nov 2025
- 2025DeepDefense: Robust Learning via Layer-Wise Gradient-Feature Alignment13 Nov 2025
- 2025Merge Now, Regret Later: The Hidden Cost of Model Merging Is Adversarial Transferability28 Sep 2025
- 2025Learning from Peers: Collaborative Ensemble Adversarial Training27 Aug 2025
- 2025Theoretical Analysis of Relative Errors in Gradient Computations for Adversarial Attacks with CE Loss30 Jul 2025
- 2025Lattice Climber Attack: Adversarial attacks for randomized mixtures of classifiers12 Jun 2025
- 2025Use as Many Surrogates as You Want: Selective Ensemble Attack to Unleash Transferability without Sacrificing Resource Efficiency19 May 2025
- 2025Two is Better than One: Efficient Ensemble Defense for Robust and Compact Models7 Apr 2025
- 2025Robust Confinement State Classification with Uncertainty Quantification through Ensembled Data-Driven Methods24 Feb 2025
- 2024Understanding Model Ensemble in Transferable Adversarial Attack9 Oct 2024
- 2024LOTOS: Layer-wise Orthogonalization for Training Robust Ensembles7 Oct 2024
12 newest of 66 All 66 (JSON)