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While vision and multimodal foundation models underpin critical tasks from perception to complex reasoning, they remain highly vulnerable to adversarial attacks. However, traditional adversarial attacks are typically limited to single,…

密码学与安全 · 计算机科学 2026-05-20 Ye Sun , Xin Wang , Jiaming Zhang , Yifeng Gao , Yixu Wang , Yifan Ding , Qixian Zhang , Henghui Ding , Xingjun Ma , Yu-Gang Jiang

Universal adversarial perturbations (UAPs) have garnered significant attention due to their ability to undermine deep neural networks across multiple inputs using a single noise pattern. Evolutionary algorithms offer a promising approach to…

机器学习 · 计算机科学 2026-01-21 Shiqi Wang , Mahdi Khosravy , Neeraj Gupta , Olaf Witkowski

We introduce the Adversarial Confusion Attack, a new class of threats against multimodal large language models (MLLMs). Unlike jailbreaks or targeted misclassification, the goal is to induce systematic disruption that makes the model…

计算与语言 · 计算机科学 2025-12-02 Jakub Hoscilowicz , Artur Janicki

Large Language Models (LLMs) have shown outstanding performance across a variety of tasks, partly due to advanced prompting techniques. However, these techniques often require lengthy prompts, which increase computational costs and can…

计算与语言 · 计算机科学 2025-04-16 Jinwu Hu , Wei Zhang , Yufeng Wang , Yu Hu , Bin Xiao , Mingkui Tan , Qing Du

Adversarial examples are perturbed inputs which can cause a serious threat for machine learning models. Finding these perturbations is such a hard task that we can only use the iterative methods to traverse. For computational efficiency,…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

Over the past decade, deep learning has revolutionized conventional tasks that rely on hand-craft feature extraction with its strong feature learning capability, leading to substantial enhancements in traditional tasks. However, deep neural…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Donghua Wang , Wen Yao , Tingsong Jiang , Guijian Tang , Xiaoqian Chen

State-of-the-art attacks on NLP models lack a shared definition of a what constitutes a successful attack. We distill ideas from past work into a unified framework: a successful natural language adversarial example is a perturbation that…

计算与语言 · 计算机科学 2021-12-23 John X. Morris , Eli Lifland , Jack Lanchantin , Yangfeng Ji , Yanjun Qi

Deep neural networks (DNNs) have recently achieved state-of-the-art performance and provide significant progress in many machine learning tasks, such as image classification, speech processing, natural language processing, etc. However,…

机器学习 · 计算机科学 2019-06-04 Sid Ahmed Fezza , Yassine Bakhti , Wassim Hamidouche , Olivier Déforges

Adversarial attacks reveal important vulnerabilities and flaws of trained models. One potent type of attack are universal adversarial triggers, which are individual n-grams that, when appended to instances of a class under attack, can trick…

计算与语言 · 计算机科学 2020-09-18 Pepa Atanasova , Dustin Wright , Isabelle Augenstein

Adversarial robustness corresponds to the susceptibility of deep neural networks to imperceptible perturbations made at test time. In the context of image tasks, many algorithms have been proposed to make neural networks robust to…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Pranjal Awasthi , George Yu , Chun-Sung Ferng , Andrew Tomkins , Da-Cheng Juan

Although pre-trained language models (PrLMs) have achieved significant success, recent studies demonstrate that PrLMs are vulnerable to adversarial attacks. By generating adversarial examples with slight perturbations on different levels…

计算与语言 · 计算机科学 2022-08-23 Jiayi Wang , Rongzhou Bao , Zhuosheng Zhang , Hai Zhao

Attacking deep learning based biometric systems has drawn more and more attention with the wide deployment of fingerprint/face/speaker recognition systems, given the fact that the neural networks are vulnerable to the adversarial examples,…

音频与语音处理 · 电气工程与系统科学 2020-04-08 Jiguo Li , Xinfeng Zhang , Chuanmin Jia , Jizheng Xu , Li Zhang , Yue Wang , Siwei Ma , Wen Gao

Reinforcement learning (RL) systems, while achieving remarkable success across various domains, are vulnerable to adversarial attacks. This is especially a concern in vision-based environments where minor manipulations of high-dimensional…

机器学习 · 计算机科学 2025-11-12 Xiaolin Sun , Feidi Liu , Zhengming Ding , ZiZhan Zheng

Adversarial purification is a defense mechanism for safeguarding classifiers against adversarial attacks without knowing the type of attacks or training of the classifier. These techniques characterize and eliminate adversarial…

密码学与安全 · 计算机科学 2024-02-13 Raha Moraffah , Shubh Khandelwal , Amrita Bhattacharjee , Huan Liu

A single universal adversarial perturbation (UAP) can be added to all natural images to change most of their predicted class labels. It is of high practical relevance for an attacker to have flexible control over the targeted classes to be…

计算机视觉与模式识别 · 计算机科学 2020-10-09 Chaoning Zhang , Philipp Benz , Tooba Imtiaz , In So Kweon

While deep learning is remarkably successful on perceptual tasks, it was also shown to be vulnerable to adversarial perturbations of the input. These perturbations denote noise added to the input that was generated specifically to fool the…

机器学习 · 统计学 2017-08-02 Jan Hendrik Metzen , Mummadi Chaithanya Kumar , Thomas Brox , Volker Fischer

Vision Language Models (VLMs) have shown remarkable capabilities in multimodal understanding, yet their susceptibility to perturbations poses a significant threat to their reliability in real-world applications. Despite often being…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Jia Fu , Yongtao Wu , Yihang Chen , Kunyu Peng , Xiao Zhang , Volkan Cevher , Sepideh Pashami , Anders Holst

Generating adversarial examples for natural language is hard, as natural language consists of discrete symbols, and examples are often of variable lengths. In this paper, we propose a geometry-inspired attack for generating natural language…

计算与语言 · 计算机科学 2020-10-06 Zhao Meng , Roger Wattenhofer

As the AI systems become deeply embedded in social media platforms, we've uncovered a concerning security vulnerability that goes beyond traditional adversarial attacks. It becomes important to assess the risks of LLMs before the general…

计算与语言 · 计算机科学 2025-05-30 Nilanjana Das , Edward Raff , Aman Chadha , Manas Gaur

Since manually writing software exploits for offensive security is time-consuming and requires expert knowledge, AI-base code generators are an attractive solution to enhance security analysts' productivity by automatically crafting…

机器学习 · 计算机科学 2024-10-22 Cristina Improta , Pietro Liguori , Roberto Natella , Bojan Cukic , Domenico Cotroneo