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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,982 papers · 148 categories

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87174260347 · Jun 202019922001200920172026
48 results for Adversarial Exploitation

Recent studies have highlighted adversarial examples as a ubiquitous threat to different neural network models and many downstream applications. Nonetheless, as unique data properties have inspired distinct and powerful learning principles, this paper aims to explore their potentials towards mitigating adversarial inpu…

2018-09-28abs ↗pdf ↗

This paper shows excessive invariance in adversarial robust models can make them more vulnerable to certain types of attacks.

problem Excessive invariance in adversarial robust models can make them more vulnerable to certain types of attacks.
method Analytical constructions and empirical studies of vision classifiers with state-of-the-art robustness to perturbation-based adversaries constrained by an p\ell_p norm.
result Robustness to perturbation-based adversarial examples does not guarantee general robustness and can increase vulnerability to invariance-based adversarial examples.

The paper shows how imitation learning can be exploited to extract DRL policies.

problem The confidentiality and integrity of DRL policies are vulnerable to model extraction attacks.
method Developed proof-of-concept attacks using imitation learning techniques.
result Demonstrated the feasibility of launching black-box attacks against DRL policies.

Proposes a framework for extracting consistent physiological features across users.

problem Variability of biosignals across different users and tasks.
method Adversarial feature extractor for disentangled universal representations.
result Up to 8.8% improvement in average accuracy of classification.

New method improves DNN robustness against adversarial attacks.

problem Adversarial vulnerability of neural networks.
method Enforcing linearity in DNN in transformed input and feature space, and augmenting with Local Lipschitz regularizer.
result Significantly improved robustness of DNN models on various datasets.

Deep learning models for graphs have achieved strong performance for the task of node classification. Despite their proliferation, currently there is no study of their robustness to adversarial attacks. Yet, in domains where they are likely to be used, e.g. the web, adversaries are common. Can deep learning models for …

2018-05-21abs ↗pdf ↗

Paper develops robust Bayesian models for linear regression under adversarial perturbations.

problem Ensuring reliable machine learning models under data perturbations.
method Formulates adversarial Bregman divergence loss, computes adversarial perturbation, introduces adversarially robust posteriors, derives generalization certificates.
result Derives first rigorous generalization certificates for adversarially robust Bayesian linear regression.

Neural networks are vulnerable to adversarial examples, malicious inputs crafted to fool trained models. Adversarial examples often exhibit black-box transfer, meaning that adversarial examples for one model can fool another model. However, adversarial examples may be overfit to exploit the particular architecture and …

2018-11-20abs ↗pdf ↗

Automated discovery of adaptive attacks improves adversarial defense evaluation.

problem Challenges in reliably evaluating adversarial defenses.
method Formalizes adaptive attacks as reusable building blocks in a search space for automatic discovery.
result Our tool discovers significantly stronger attacks than AutoAttack, improving adversarial defense evaluation.

Adversarial examples are malicious inputs designed to fool machine learning models. They often transfer from one model to another, allowing attackers to mount black box attacks without knowledge of the target model's parameters. Adversarial training is the process of explicitly training a model on adversarial examples,…

2016-11-04abs ↗pdf ↗

New research shows adversarial defenses increase risk of membership inference attacks.

problem Combining security and privacy domains to measure adversarial defenses' impact on membership inference attacks.
method Measuring the success of membership inference attacks against six state-of-the-art adversarial defense methods.
result Adversarial defense methods can increase the risk of membership inference attacks.

Adversarial approach enhances sensor fusion for robust target detection.

problem Improving target detection and classification using multi-modal sensor fusion.
method Generative network learns latent space from various sensor modalities, then detects damaged sensors and safeguards performance.
result Automatic robustness against noisy/damaged sensors achieved.

Enhances adversarial example transferability by fine-tuning existing examples.

problem Adversarial examples are often overfit to a source model, limiting black-box transferability.
method Intermediate Level Attack (ILA) fine-tunes adversarial examples on a pre-specified layer of the source model.
result ILAs achieve high transferability to target models without knowledge of their architecture.

This research identifies flaws in drift detection methods and creates adversarial data streams to exploit them.

problem The challenge of detecting data distribution changes (drift) in real-time systems.
method Developed adversarial data streams to show weaknesses in existing drift detection schemes.
result Demonstrated that common drift detection methods can be fooled by adversarial data streams.

Interval attacks find more adversarial examples than existing methods.

problem Evaluating robustness of adversarially trained neural networks against unknown attacks.
method Symbolic interval propagation for bound over-approximation and gradient-guided attacks.
result Interval attacks find on average 47% more violations than state-of-the-art methods.

New method improves robustness of smoothed classifiers against adversarial attacks.

problem Improving robustness of smoothed classifiers against adversarial attacks.
method Proposes worst-case adversarial loss over input distributions as a robustness certificate, and uses duality and smoothness properties to provide an easy-to-compute upper bound.
result Shows superior robustness performance over state-of-the-art certified or heuristic methods.

In this work we propose an adversarial learning approach to generate high resolution MRI scans from low resolution images. The architecture, based on the SRGAN model, adopts 3D convolutions to exploit volumetric information. For the discriminator, the adversarial loss uses least squares in order to stabilize the traini…

2018-12-29abs ↗pdf ↗

ScoreAG generates unrestricted adversarial images maintaining semantic integrity.

problem Limited robustness evaluations due to p\ell_p-norm constraints.
method Score-Based Adversarial Generation (ScoreAG) using score-based generative models.
result ScoreAG improves robustness assessments across multiple benchmarks.

The susceptibility of deep learning to adversarial attack can be understood in the framework of the Renormalisation Group (RG) and the vulnerability of a specific network may be diagnosed provided the weights in each layer are known. An adversary with access to the inputs and outputs could train a second network to clo…

2018-03-29abs ↗pdf ↗

LGV boosts adversarial attacks by improving surrogate models.

problem Improving the transferability of black-box adversarial attacks.
method LGV uses a pretrained surrogate model and multiple weight sets from additional training epochs to generate an effective surrogate ensemble.
result LGV outperforms other test-time transformations by significant margins.

New adversarial training methods generate multiplicative perturbations for robust DNN training.

problem Training Deep Neural Networks with adversarial examples to improve robustness.
method Proposes xAT and xVAT, generating multiplicative perturbations for robust training.
result xAT and xVAT match or outperform state-of-the-art classification accuracies and are faster.

New method reduces bias in NLI models using ensemble adversarial training.

problem Spurious correlations between hypotheses and entailment classes in NLI datasets.
method Adversarial training with an ensemble of classifiers to reduce bias in sentence representations.
result Ensemble adversarial training produces more robust NLI models, outperforming previous methods.

Quantum mechanics is inherently probabilistic in light of Born's rule. Using quantum circuits as probabilistic generative models for classical data exploits their superior expressibility and efficient direct sampling ability. However, training of quantum circuits can be more challenging compared to classical neural net…

2018-08-10abs ↗pdf ↗

This work tackles learning Markov games with adversarial opponents and achieves both average reward and exploitation.

problem Achieving both average reward and exploiting adaptive opponents in Markov games.
method Develops efficient algorithms and proves hardness results for learning Markov games with adversarial opponents.
result Achieves K\sqrt{K}-regret bounds for certain conditions on opponent policies, complemented by an exponential lower bound.

Study shows adversarial attacks can fool speech-to-text models, and PCA is ineffective as a defense.

problem Adversarial attacks can mislead speech-to-text neural networks.
method Crafted adversarial waveforms, used PCA for defense, tested under black-box setting.
result PCA is ineffective as a defense mechanism against adversarial attacks in audio domain.

Optimizes deep learning training by treating it as an optimal control problem.

problem Fragility of deep neural networks to adversarial inputs.
method Formulates adversarial training as a min-max optimization problem and interprets it as an optimal control problem.
result Provides the first convergence analysis of adversarial training algorithm.

Anomaly detection method tackles hidden adversary actions in real-world scenarios.

problem Detecting hidden adversary actions in real-world scenarios where the defender cannot perfectly observe the attacker's actions.
method Extends existing anomaly detection models to handle continuous action spaces and game-theoretic framework. Proposes two algorithms: direct extension and learning-based approach.
result Learning-based approach produces less exploitable strategies and is scalable to higher dimensions.

Domain knowledge helps detect adversarial examples in multi-label classification.

problem Detecting adversarial examples in multi-label classification.
method Convert domain knowledge into constraints and inject them into a semi-supervised learning problem.
result Domain-knowledge constraints help detect adversarial examples effectively.