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This research critically navigates the intricate landscape of AI deception, concentrating on deceptive behaviours of Large Language Models (LLMs). My objective is to elucidate this issue, examine the discourse surrounding it, and…

计算与语言 · 计算机科学 2024-03-18 Linge Guo

As the development and application of Large Language Models (LLMs) continue to advance rapidly, enhancing their trustworthiness and aligning them with human preferences has become a critical area of research. Traditional methods rely…

计算与语言 · 计算机科学 2024-11-06 Yuxin Xiao , Chaoqun Wan , Yonggang Zhang , Wenxiao Wang , Binbin Lin , Xiaofei He , Xu Shen , Jieping Ye

The widespread adoption of Large Language Models (LLMs), exemplified by OpenAI's ChatGPT, brings to the forefront the imperative to defend against adversarial threats on these models. These attacks, which manipulate an LLM's output by…

密码学与安全 · 计算机科学 2025-04-04 Amelia Kawasaki , Andrew Davis , Houssam Abbas

Modern language models often rely on Reinforcement Learning from Human Feedback (RLHF) to encourage safe behaviors. However, they remain vulnerable to adversarial attacks due to three key limitations: (1) the inefficiency and high cost of…

Large language model (LLM) agents increasingly rely on external tools (file operations, API calls, database transactions) to autonomously complete complex multi-step tasks. Practitioners deploy defense-trained models to protect against…

密码学与安全 · 计算机科学 2026-03-23 Shawn Li , Yue Zhao

Numerous techniques have been proposed for generating adversarial examples in white-box settings under strict Lp-norm constraints. However, such norm-bounded examples often fail to align well with human perception, and only a few methods…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Abdullah Al Nomaan Nafi , Habibur Rahaman , Zafaryab Haider , Tanzim Mahfuz , Fnu Suya , Swarup Bhunia , Prabuddha Chakraborty

Can we trust Large Language Models (LLMs) to accurately predict scam? This paper investigates the vulnerabilities of LLMs when facing adversarial scam messages for the task of scam detection. We addressed this issue by creating a…

AI control protocols serve as a defense mechanism to stop untrusted LLM agents from causing harm in autonomous settings. Prior work treats this as a security problem, stress testing with exploits that use the deployment context to subtly…

Adversarial patches present significant challenges to the robustness of deep learning models, making the development of effective defenses become critical for real-world applications. This paper introduces DIFFender, a novel DIFfusion-based…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Xingxing Wei , Caixin Kang , Yinpeng Dong , Zhengyi Wang , Shouwei Ruan , Yubo Chen , Hang Su

LLM have achieved success in many fields but still troubled by problematic content in the training corpora. LLM unlearning aims at reducing their influence and avoid undesirable behaviours. However, existing unlearning methods remain…

计算与语言 · 计算机科学 2024-08-21 Hongbang Yuan , Zhuoran Jin , Pengfei Cao , Yubo Chen , Kang Liu , Jun Zhao

Deep neural networks obtain state-of-the-art performance on a series of tasks. However, they are easily fooled by adding a small adversarial perturbation to input. The perturbation is often human imperceptible on image data. We observe a…

机器学习 · 计算机科学 2019-06-11 Puyudi Yang , Jianbo Chen , Cho-Jui Hsieh , Jane-Ling Wang , Michael I. Jordan

As Large Language Models (LLMs) are widely used, understanding them systematically is key to improving their safety and realizing their full potential. Although many models are aligned using techniques such as reinforcement learning from…

机器学习 · 计算机科学 2025-05-16 Sajib Biswas , Mao Nishino , Samuel Jacob Chacko , Xiuwen Liu

Large Language Models (LLMs) can acquire deceptive behaviors through backdoor attacks, where the model executes prohibited actions whenever secret triggers appear in the input. Existing safety training methods largely fail to address this…

密码学与安全 · 计算机科学 2025-10-08 Guangyu Shen , Siyuan Cheng , Xiangzhe Xu , Yuan Zhou , Hanxi Guo , Zhuo Zhang , Xiangyu Zhang

The wide-ranging applications of large language models (LLMs), especially in safety-critical domains, necessitate the proper evaluation of the LLM's adversarial robustness. This paper proposes an efficient tool to audit the LLM's…

密码学与安全 · 计算机科学 2023-10-23 Xilie Xu , Keyi Kong , Ning Liu , Lizhen Cui , Di Wang , Jingfeng Zhang , Mohan Kankanhalli

Deception is a pervasive feature of human communication and an emerging concern in large language models (LLMs). While recent studies document instances of LLM deception, most evaluations remain confined to single-turn prompts and fail to…

计算与语言 · 计算机科学 2026-02-06 Yang Xu , Xuanming Zhang , Samuel Yeh , Jwala Dhamala , Ousmane Dia , Rahul Gupta , Sharon Li

As AI agents powered by large language models (LLMs) increasingly use external tools for high-stakes decisions, a critical reliability question arises: how do errors propagate across sequential tool calls? We introduce the first theoretical…

人工智能 · 计算机科学 2026-02-17 Flint Xiaofeng Fan , Cheston Tan , Roger Wattenhofer , Yew-Soon Ong

Adversarial attacking aims to fool deep neural networks with adversarial examples. In the field of natural language processing, various textual adversarial attack models have been proposed, varying in the accessibility to the victim model.…

计算与语言 · 计算机科学 2020-09-22 Yuan Zang , Bairu Hou , Fanchao Qi , Zhiyuan Liu , Xiaojun Meng , Maosong Sun

Large language models (LLMs) demonstrate significant knowledge through their outputs, though it is often unclear whether false outputs are due to a lack of knowledge or dishonesty. In this paper, we investigate instructed dishonesty,…

机器学习 · 计算机科学 2023-11-28 James Campbell , Richard Ren , Phillip Guo

The rapid progress in open-source Large Language Models (LLMs) is significantly driving AI development forward. However, there is still a limited understanding of their trustworthiness. Deploying these models at scale without sufficient…

计算与语言 · 计算机科学 2024-04-03 Lingbo Mo , Boshi Wang , Muhao Chen , Huan Sun

Blind spots or outright deceit can bedevil and deceive machine learning models. Unidentified objects such as digital "stickers," also known as adversarial patches, can fool facial recognition systems, surveillance systems and self-driving…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Zijian Zhu , Hang Su , Chang Liu , Wenzhao Xiang , Shibao Zheng