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Large Language Models (LLMs) are increasingly integrated into safety-critical workflows, yet existing security analyses remain fragmented and often isolate model behavior from the broader system context. This work introduces a goal-driven…

密码学与安全 · 计算机科学 2026-03-10 Neha Nagaraja , Hayretdin Bahsi

In this paper, we present a new form of backdoor attack against Large Language Models (LLMs): lingual-backdoor attacks. The key novelty of lingual-backdoor attacks is that the language itself serves as the trigger to hijack the infected…

密码学与安全 · 计算机科学 2025-05-07 Zihan Wang , Hongwei Li , Rui Zhang , Wenbo Jiang , Kangjie Chen , Tianwei Zhang , Qingchuan Zhao , Guowen Xu

Large Language Models (LLMs) are increasingly deployed in settings where Chain-of-Thought (CoT) is interpreted by users. This creates a new safety risk: attackers may manipulate the model's observable CoT to make malicious behaviors. In…

密码学与安全 · 计算机科学 2026-04-13 Wenhan Chang , Tianqing Zhu , Ping Xiong , Faqian Guan , Wanlei Zhou

Large Language Models (LLMs), such as \texttt{ChatGPT}, greatly empower dialogue systems with strong language understanding and generation capabilities. However, most of the previous works prompt the LLMs to directly generate a response…

计算与语言 · 计算机科学 2023-10-17 Hongru Wang , Rui Wang , Fei Mi , Yang Deng , Zezhong Wang , Bin Liang , Ruifeng Xu , Kam-Fai Wong

The proliferation of Large Language Models (LLMs) has introduced critical security challenges, where adversarial actors can manipulate input prompts to cause significant harm and circumvent safety alignments. These prompt-based attacks…

To achieve faithful reasoning that aligns with human expectations, large language models (LLMs) need to ground their reasoning to real-world knowledge (e.g., web facts, math and physical rules). Tools help LLMs access this external…

We present a novel approach for attacking black-box large language models (LLMs) by exploiting their ability to express confidence in natural language. Existing black-box attacks require either access to continuous model outputs like logits…

密码学与安全 · 计算机科学 2025-10-21 Jie Zhang , Meng Ding , Yang Liu , Jue Hong , Florian Tramèr

Scaling inference compute enhances reasoning in large language models (LLMs), with long chains-of-thought (CoTs) enabling strategies like backtracking and error correction. Reinforcement learning (RL) has emerged as a crucial method for…

计算与语言 · 计算机科学 2025-02-06 Edward Yeo , Yuxuan Tong , Morry Niu , Graham Neubig , Xiang Yue

Large language models (LLMs) are known to be vulnerable to jailbreak attacks, which typically rely on carefully designed prompts containing explicit semantic structure. These attacks generally operate by fixing an adversarial instruction…

机器学习 · 计算机科学 2026-05-07 Marco Rando , Samuel Vaiter

Full-text error correction with Large Language Models (LLMs) for Automatic Speech Recognition (ASR) is attracting increased attention for its ability to address a wide range of error types, such as punctuation restoration and inverse text…

计算与语言 · 计算机科学 2026-03-03 Zhiyuan Tang , Dong Wang , Zhikai Zhou , Yong Liu , Shen Huang , Shidong Shang

Despite efforts to align large language models (LLMs) with human intentions, widely-used LLMs such as GPT, Llama, and Claude are susceptible to jailbreaking attacks, wherein an adversary fools a targeted LLM into generating objectionable…

机器学习 · 计算机科学 2024-06-17 Alexander Robey , Eric Wong , Hamed Hassani , George J. Pappas

Security code review is a time-consuming and labor-intensive process typically requiring integration with automated security defect detection tools. However, existing security analysis tools struggle with poor generalization, high false…

软件工程 · 计算机科学 2026-05-12 Jiaxin Yu , Peng Liang , Yujia Fu , Amjed Tahir , Mojtaba Shahin , Chong Wang , Yangxiao Cai

Large Language Models (LLMs) are increasingly employed as AI tutors due to their scalability and potential for personalized instruction. However, off-the-shelf LLMs often underperform in educational settings: they frequently reveal answers…

计算与语言 · 计算机科学 2025-08-13 Shuzhou Yuan , William LaCroix , Hardik Ghoshal , Ercong Nie , Michael Färber

Large Audio-Language Models (LALMs) have demonstrated remarkable performance in tasks involving audio perception and understanding, such as speech recognition and audio captioning. However, their reasoning capabilities - critical for…

声音 · 计算机科学 2025-01-14 Ziyang Ma , Zhuo Chen , Yuping Wang , Eng Siong Chng , Xie Chen

Large language models (LLMs) have seen significant advancements, achieving superior performance in various Natural Language Processing (NLP) tasks. However, they remain vulnerable to backdoor attacks, where models behave normally for…

计算与语言 · 计算机科学 2025-08-29 Chen Chen , Yuchen Sun , Jiaxin Gao , Xueluan Gong , Qian Wang , Ziyao Wang , Yongsen Zheng , Kwok-Yan Lam

Large language models (LLMs) have become ubiquitous, interfacing with humans in numerous safety-critical applications. This necessitates improving capabilities, but importantly coupled with greater safety measures to align these models with…

Large Language Models (LLMs) have revolutionized Artificial Intelligence (AI) services due to their exceptional proficiency in understanding and generating human-like text. LLM chatbots, in particular, have seen widespread adoption,…

密码学与安全 · 计算机科学 2024-02-14 Gelei Deng , Yi Liu , Yuekang Li , Kailong Wang , Ying Zhang , Zefeng Li , Haoyu Wang , Tianwei Zhang , Yang Liu

The rapid adoption of Large Language Model (LLM) agents and multi-agent systems enables remarkable capabilities in natural language processing and generation. However, these systems introduce security vulnerabilities that extend beyond…

密码学与安全 · 计算机科学 2026-05-12 Matteo Lupinacci , Francesco Aurelio Pironti , Francesco Blefari , Francesco Romeo , Luigi Arena , Angelo Furfaro

Large Language Models are fundamental actors in the modern IT landscape dominated by AI solutions. However, security threats associated with them might prevent their reliable adoption in critical application scenarios such as government…

密码学与安全 · 计算机科学 2025-11-10 Marco Arazzi , Vignesh Kumar Kembu , Antonino Nocera , Vinod P

Chain-of-thought (CoT) prompting is a popular in-context learning (ICL) approach for large language models (LLMs), especially when tackling complex reasoning tasks. Traditional ICL approaches construct prompts using examples that contain…

计算与语言 · 计算机科学 2025-06-23 Zifan Xu , Haozhu Wang , Dmitriy Bespalov , Xian Wu , Peter Stone , Yanjun Qi
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