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Large language model (LLM)-based multi-agent systems have demonstrated impressive capabilities in handling complex tasks. However, the complexity of agentic behaviors makes these systems difficult to understand. When failures occur,…

Human-Computer Interaction · Computer Science 2026-02-06 Rui Sheng , Yukun Yang , Chuhan Shi , Yanna Lin , Zixin Chen , Huamin Qu , Furui Cheng

Despite extensive safety alignment, Large Language Models (LLMs) remain vulnerable to jailbreak attacks. However, existing methods generally lack the capability for continuous learning and self-evolution from interactions, limiting the…

Cryptography and Security · Computer Science 2026-04-21 Xu Liu , Yan Chen , Kan Ling , Yichi Zhu , Hengrun Zhang , Guisheng Fan , Huiqun Yu

The evolution of Large Language Models (LLMs) has resulted in a paradigm shift towards autonomous agents, necessitating robust security against Prompt Injection (PI) vulnerabilities where untrusted inputs hijack agent behaviors. This SoK…

Cryptography and Security · Computer Science 2026-02-12 Peiran Wang , Xinfeng Li , Chong Xiang , Jinghuai Zhang , Ying Li , Lixia Zhang , Xiaofeng Wang , Yuan Tian

Large Language Models (LLMs) have become increasingly vulnerable to jailbreak attacks that circumvent their safety mechanisms. While existing defense methods either suffer from adaptive attacks or require computationally expensive auxiliary…

Computation and Language · Computer Science 2025-03-25 Xunguang Wang , Wenxuan Wang , Zhenlan Ji , Zongjie Li , Pingchuan Ma , Daoyuan Wu , Shuai Wang

Recently, autonomous agents built on large language models (LLMs) have experienced significant development and are being deployed in real-world applications. These agents can extend the base LLM's capabilities in multiple ways. For example,…

Cryptography and Security · Computer Science 2024-07-31 Boyang Zhang , Yicong Tan , Yun Shen , Ahmed Salem , Michael Backes , Savvas Zannettou , Yang Zhang

While Large Language Models (LLMs) excel in certain reasoning tasks, they struggle in multi-agent games where the final outcome depends on the joint strategies of all agents. In multi-agent games, the non-stationarity of other agents brings…

Artificial Intelligence · Computer Science 2026-05-26 Yidong He , Yutao Lai , Pengxu Yang , Jiarui Gan , Jiexin Wang , Yi Cai , Mengchen Zhao

Harmful fine-tuning attacks pose a major threat to the security of large language models (LLMs), allowing adversaries to compromise safety guardrails with minimal harmful data. While existing defenses attempt to reinforce LLM alignment,…

Machine Learning · Computer Science 2026-03-03 Yuhui Wang , Rongyi Zhu , Ting Wang

Large Language Model (LLM) agents have achieved rapid adoption and demonstrated remarkable capabilities across a wide range of applications. To improve reasoning and task execution, modern LLM agents would incorporate memory modules or…

Cryptography and Security · Computer Science 2026-04-14 Xingyu Lyu , Jianfeng He , Ning Wang , Yidan Hu , Tao Li , Danjue Chen , Shixiong Li , Yimin Chen

Artificial Intelligence (AI) agents have evolved from passive predictive tools into active entities capable of autonomous decision-making and environmental interaction, driven by the reasoning capabilities of Large Language Models (LLMs).…

Cryptography and Security · Computer Science 2026-03-24 Xiaolei Zhang , Lu Zhou , Xiaogang Xu , Jiafei Wu , Tianyu Du , Heqing Huang , Hao Peng , Zhe Liu

Large Language Models (LLMs) are increasingly central to agentic systems due to their strong reasoning and planning capabilities. By interacting with external environments through predefined tools, these agents can carry out complex user…

Cryptography and Security · Computer Science 2026-03-27 Hao Li , Xiaogeng Liu , Hung-Chun Chiu , Dianqi Li , Ning Zhang , Chaowei Xiao

The rapid deployment of open-source frameworks has significantly advanced the development of modern multi-agent systems. However, expanded action spaces, including uncontrolled privilege exposure and hidden inter-system interactions, pose…

Computation and Language · Computer Science 2026-04-07 Wenhui Zhu , Xuanzhao Dong , Xiwen Chen , Rui Cai , Peijie Qiu , Zhipeng Wang , Oana Frunza , Shao Tang , Jindong Gu , Yalin Wang

The exponential growth of scientific literature poses unprecedented challenges for researchers attempting to synthesize knowledge across rapidly evolving fields. We present \textbf{Agentic AutoSurvey}, a multi-agent framework for automated…

Information Retrieval · Computer Science 2025-09-24 Yixin Liu , Yonghui Wu , Denghui Zhang , Lichao Sun

LLM-based agents are increasingly used for cybersecurity tasks, but most existing systems rely on fixed, human-designed scaffolds that struggle to adapt across diverse targets and failure modes. We introduce \textsc{CyberEvolver}, a…

Cryptography and Security · Computer Science 2026-05-27 Yihe Fan , Changyi Li , Lichen Xu , Xudong Pan , Jiarun Dai , Hong Geng , Min Yang

Large Language Models (LLMs) have transformed machine learning but raised significant legal concerns due to their potential to produce text that infringes on copyrights, resulting in several high-profile lawsuits. The legal landscape is…

Computation and Language · Computer Science 2024-08-22 Xiaoze Liu , Ting Sun , Tianyang Xu , Feijie Wu , Cunxiang Wang , Xiaoqian Wang , Jing Gao

The widespread adoption of Large Language Models (LLMs) has revolutionized AI deployment, enabling autonomous and semi-autonomous applications across industries through intuitive language interfaces and continuous improvements in model…

Cryptography and Security · Computer Science 2025-10-20 Adam Swanda , Amy Chang , Alexander Chen , Fraser Burch , Paul Kassianik , Konstantin Berlin

We introduce a defense against adversarial attacks on LLMs utilizing self-evaluation. Our method requires no model fine-tuning, instead using pre-trained models to evaluate the inputs and outputs of a generator model, significantly reducing…

Machine Learning · Computer Science 2024-08-07 Hannah Brown , Leon Lin , Kenji Kawaguchi , Michael Shieh

Large language models (LLMs) have demonstrated impressive results on natural language tasks, and security researchers are beginning to employ them in both offensive and defensive systems. In cyber-security, there have been multiple research…

Cryptography and Security · Computer Science 2024-03-05 Jiacen Xu , Jack W. Stokes , Geoff McDonald , Xuesong Bai , David Marshall , Siyue Wang , Adith Swaminathan , Zhou Li

Multi-agent AI systems powered by large language models (LLMs) are increasingly applied to solve complex tasks. However, these systems often rely on fragile, manually designed prompts and heuristics, making optimization difficult. A key…

Artificial Intelligence · Computer Science 2025-02-10 Wanjia Zhao , Mert Yuksekgonul , Shirley Wu , James Zou

As large language models (LLMs) continue to advance in capability and influence, ensuring their security and preventing harmful outputs has become crucial. A promising approach to address these concerns involves training models to…

Computation and Language · Computer Science 2024-12-24 Muxi Diao , Rumei Li , Shiyang Liu , Guogang Liao , Jingang Wang , Xunliang Cai , Weiran Xu

Large Language Models (LLMs) have achieved remarkable success in various domains but remain vulnerable to adversarial jailbreak attacks. Existing prompt-defense strategies, including parameter-modifying and parameter-free approaches, face…

Cryptography and Security · Computer Science 2025-02-20 Ziyi Ni , Hao Wang , Huacan Wang