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Recent research indicates that large language models (LLMs) are susceptible to jailbreaking attacks that can generate harmful content. This paper introduces a novel token-level attack method, Adaptive Dense-to-Sparse Constrained…

Machine Learning · Computer Science 2025-02-13 Kai Hu , Weichen Yu , Yining Li , Kai Chen , Tianjun Yao , Xiang Li , Wenhe Liu , Lijun Yu , Zhiqiang Shen , Matt Fredrikson

As Large Language Models (LLMs) become increasingly integrated into real-world decision-making systems, understanding their behavioural vulnerabilities remains a critical challenge for AI safety and alignment. While existing evaluation…

Artificial Intelligence · Computer Science 2025-05-20 Lili Zhang , Haomiaomiao Wang , Long Cheng , Libao Deng , Tomas Ward

Large Language Models (LLMs) are increasingly integrated into educational applications. However, they remain vulnerable to jailbreak and fine-tuning attacks, which can compromise safety alignment and lead to harmful outputs. Existing…

Computation and Language · Computer Science 2025-11-19 Xin Yi , Yue Li , Dongsheng Shi , Linlin Wang , Xiaoling Wang , Liang He

Jailbreaks on large language models (LLMs) have recently received increasing attention. For a comprehensive assessment of LLM safety, it is essential to consider jailbreaks with diverse attributes, such as contextual coherence and…

Machine Learning · Computer Science 2024-06-10 Xingang Guo , Fangxu Yu , Huan Zhang , Lianhui Qin , Bin Hu

Large Language Models increasingly power critical infrastructure from healthcare to finance, yet their vulnerability to adversarial manipulation threatens system integrity and user safety. Despite growing deployment, no comprehensive…

Cryptography and Security · Computer Science 2026-03-19 Taiwo Onitiju , Iman Vakilinia

While language models (LMs) have shown potential across a range of decision-making tasks, their reliance on simple acting processes limits their broad deployment as autonomous agents. In this paper, we introduce Language Agent Tree Search…

Artificial Intelligence · Computer Science 2024-06-07 Andy Zhou , Kai Yan , Michal Shlapentokh-Rothman , Haohan Wang , Yu-Xiong Wang

The rapid integration of Generative AI (GenAI) and Large Language Models (LLMs) in sectors such as education and healthcare have marked a significant advancement in technology. However, this growth has also led to a largely unexplored…

Cryptography and Security · Computer Science 2024-03-20 Tri Nguyen , Huong Nguyen , Ahmad Ijaz , Saeid Sheikhi , Athanasios V. Vasilakos , Panos Kostakos

Large Language Models (LLMs) have been widely deployed across various applications, yet their potential security and ethical risks have raised increasing concerns. Existing research employs red teaming evaluations, utilizing multi-turn…

Cryptography and Security · Computer Science 2025-11-06 Yize Liu , Yunyun Hou , Aina Sui

This paper provides a systematic survey of jailbreak attacks and defenses on Large Language Models (LLMs) and Vision-Language Models (VLMs), emphasizing that jailbreak vulnerabilities stem from structural factors such as incomplete training…

Cryptography and Security · Computer Science 2026-01-08 Zejian Chen , Chaozhuo Li , Chao Li , Xi Zhang , Litian Zhang , Yiming He

Large Language Model (LLM) safeguards, which implement request refusals, have become a widely adopted mitigation strategy against misuse. At the intersection of adversarial machine learning and AI safety, safeguard red teaming has…

Cryptography and Security · Computer Science 2025-06-10 Zifan Wang , Christina Q. Knight , Jeremy Kritz , Willow E. Primack , Julian Michael

Multimodal Large Language Models (MLLMs) have enabled transformative advancements across diverse applications but remain susceptible to safety threats, especially jailbreak attacks that induce harmful outputs. To systematically evaluate and…

Despite their outstanding capabilities, large language models (LLMs) are prone to hallucination and producing factually incorrect information. This challenge has spurred efforts in attributed text generation, which prompts LLMs to generate…

Computation and Language · Computer Science 2025-06-23 Junyi Li , Hwee Tou Ng

Large Language Models (LLMS) have increasingly become central to generating content with potential societal impacts. Notably, these models have demonstrated capabilities for generating content that could be deemed harmful. To mitigate these…

Cryptography and Security · Computer Science 2024-05-20 Zihao Xu , Yi Liu , Gelei Deng , Yuekang Li , Stjepan Picek

Recently, Large Language Models (LLMs) have made significant advancements and are now widely used across various domains. Unfortunately, there has been a rising concern that LLMs can be misused to generate harmful or malicious content.…

Computation and Language · Computer Science 2024-06-13 Bochuan Cao , Yuanpu Cao , Lu Lin , Jinghui Chen

Large language models (LLMs) have shown strong capabilities across diverse decision-making tasks. However, existing approaches often overlook the specialization differences among available models, treating all LLMs as uniformly applicable…

Artificial Intelligence · Computer Science 2026-02-02 Wei Zhu , Lixing Yu , Hao-Ren Yao , Zhiwen Tang , Kun Yue

Large Language Models (LLMs) have shown impressive capabilities across various tasks but remain vulnerable to meticulously crafted jailbreak attacks. In this paper, we identify a critical safety gap: while LLMs are adept at detecting…

Computation and Language · Computer Science 2025-05-20 Peng Ding , Jun Kuang , Zongyu Wang , Xuezhi Cao , Xunliang Cai , Jiajun Chen , Shujian Huang

Large Language Models (LLMs) have transformed numerous fields by enabling advanced natural language interactions but remain susceptible to critical vulnerabilities, particularly jailbreak attacks. Current jailbreak techniques, while…

Cryptography and Security · Computer Science 2024-12-12 Yuxi Li , Zhibo Zhang , Kailong Wang , Ling Shi , Haoyu Wang

Automated red-teaming has become a crucial approach for uncovering vulnerabilities in large language models (LLMs). However, most existing methods focus on isolated safety flaws, limiting their ability to adapt to dynamic defenses and…

Cryptography and Security · Computer Science 2025-01-06 Yanjiang Liu , Shuhen Zhou , Yaojie Lu , Huijia Zhu , Weiqiang Wang , Hongyu Lin , Ben He , Xianpei Han , Le Sun

The rise of Large Language Models (LLMs) has revolutionized our comprehension of intelligence bringing us closer to Artificial Intelligence. Since their introduction, researchers have actively explored the applications of LLMs across…

Cryptography and Security · Computer Science 2024-02-05 Farzad Nourmohammadzadeh Motlagh , Mehrdad Hajizadeh , Mehryar Majd , Pejman Najafi , Feng Cheng , Christoph Meinel

Recent advancements in large language models (LLMs) have shown remarkable potential in automating machine learning tasks. However, existing LLM-based agents often struggle with low-diversity and suboptimal code generation. While recent work…

Computation and Language · Computer Science 2026-01-26 Zujie Liang , Feng Wei , Wujiang Xu , Lin Chen , Yuxi Qian , Xinhui Wu
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