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Large Language Models (LLMs) have become increasingly popular for their advanced text generation capabilities across various domains. However, like any software, they face security challenges, including the risk of 'jailbreak' attacks that…

Cryptography and Security · Computer Science 2024-01-31 Jie Li , Yi Liu , Chongyang Liu , Ling Shi , Xiaoning Ren , Yaowen Zheng , Yang Liu , Yinxing Xue

With the rapid development of multimodal large language models (MLLMs), they are increasingly deployed as autonomous computer-use agents capable of accomplishing complex computer tasks. However, a pressing issue arises: Can the safety risk…

Artificial Intelligence · Computer Science 2025-06-23 Jingyi Yang , Shuai Shao , Dongrui Liu , Jing Shao

The rise of LLM-based agents has opened new frontiers in AI applications, yet evaluating these agents remains a complex and underdeveloped area. This survey provides an in-depth overview of the emerging field of LLM agent evaluation,…

Machine Learning · Computer Science 2025-07-30 Mahmoud Mohammadi , Yipeng Li , Jane Lo , Wendy Yip

Evaluations of large language model (LLM) risks and capabilities are increasingly being incorporated into AI risk management and governance frameworks. Currently, most risk evaluations are conducted by designing inputs that elicit harmful…

Prior work on jailbreak detection has established the importance of adversarial robustness for LLMs but has largely focused on the model ability to resist adversarial inputs and to output safe content, rather than the effectiveness of…

Cryptography and Security · Computer Science 2025-07-10 Hadrien Mariaccia , Charbel-Raphaël Segerie , Diego Dorn

Recent advances in large language models have enabled LLM-based agents to achieve strong performance on a variety of benchmarks. However, their performance in real-world deployments often that observed on benchmark settings, especially in…

Artificial Intelligence · Computer Science 2026-02-19 Ruipeng Wang , Yuxin Chen , Yukai Wang , Chang Wu , Junfeng Fang , Xiaodong Cai , Qi Gu , Hui Su , An Zhang , Xiang Wang , Xunliang Cai , Tat-Seng Chua

A multimodal large language model (MLLM) agent can receive instructions, capture images, retrieve histories from memory, and decide which tools to use. Nonetheless, red-teaming efforts have revealed that adversarial images/prompts can…

Computation and Language · Computer Science 2024-06-04 Xiangming Gu , Xiaosen Zheng , Tianyu Pang , Chao Du , Qian Liu , Ye Wang , Jing Jiang , Min Lin

AI agents aim to solve complex tasks by combining text-based reasoning with external tool calls. Unfortunately, AI agents are vulnerable to prompt injection attacks where data returned by external tools hijacks the agent to execute…

Cryptography and Security · Computer Science 2024-11-26 Edoardo Debenedetti , Jie Zhang , Mislav Balunović , Luca Beurer-Kellner , Marc Fischer , Florian Tramèr

Large language model (LLM) agents are increasingly capable of autonomously conducting cyberattacks, posing significant threats to existing applications. This growing risk highlights the urgent need for a real-world benchmark to evaluate the…

AI agents are systems capable of perceiving their environment, autonomously planning and executing tasks. Recent advancements in LLM have introduced a transformative paradigm for AI agents, enabling them to interact with external resources…

Software Engineering · Computer Science 2024-12-30 Kaiwen Ning , Jiachi Chen , Jingwen Zhang , Wei Li , Zexu Wang , Yuming Feng , Weizhe Zhang , Zibin Zheng

Large Language Model (LLM) agents show considerable promise for automating complex tasks using contextual reasoning; however, interactions involving multiple agents and the system's susceptibility to prompt injection and other forms of…

Cryptography and Security · Computer Science 2025-06-02 Kaiyuan Zhang , Zian Su , Pin-Yu Chen , Elisa Bertino , Xiangyu Zhang , Ninghui Li

Safety evaluation of large language models (LLMs) increasingly relies on LLM-as-a-judge pipelines, but strong judges can still be expensive to use at scale. We study whether structured multi-agent debate can improve judge reliability while…

Artificial Intelligence · Computer Science 2026-03-19 Dachuan Lin , Guobin Shen , Zihao Yang , Tianrong Liu , Dongcheng Zhao , Yi Zeng

Large Language Models (LLMs) are increasingly deployed as agents that orchestrate tasks and integrate external tools to execute complex workflows. We demonstrate that these interactive behaviors leave distinctive fingerprints in encrypted…

Cryptography and Security · Computer Science 2025-10-09 Yixiang Zhang , Xinhao Deng , Zhongyi Gu , Yihao Chen , Ke Xu , Qi Li , Jianping Wu

As large language models (LLMs) become increasingly deployed, understanding the complexity and evolution of jailbreaking strategies is critical for AI safety. We present a mass-scale empirical analysis of jailbreak complexity across over 2…

Computation and Language · Computer Science 2026-05-28 Aldan Creo , Raul Castro Fernandez , Manuel Cebrian

Large Language Model (LLM) agents offer a powerful new paradigm for solving various problems by combining natural language reasoning with the execution of external tools. However, their dynamic and non-transparent behavior introduces…

Cryptography and Security · Computer Science 2025-11-19 Peiran Wang , Yang Liu , Yunfei Lu , Yifeng Cai , Hongbo Chen , Qingyou Yang , Jie Zhang , Jue Hong , Ye Wu

Jailbreak attacks are crucial for identifying and mitigating the security vulnerabilities of Large Language Models (LLMs). They are designed to bypass safeguards and elicit prohibited outputs. However, due to significant differences among…

Evaluating Large Language Models (LLMs) as general-purpose agents is essential for understanding their capabilities and facilitating their integration into practical applications. However, the evaluation process presents substantial…

Computation and Language · Computer Science 2024-12-25 Chang Ma , Junlei Zhang , Zhihao Zhu , Cheng Yang , Yujiu Yang , Yaohui Jin , Zhenzhong Lan , Lingpeng Kong , Junxian He

The rapid expansion of research on Large Language Model (LLM) safety and robustness has produced a fragmented and oftentimes buggy ecosystem of implementations, datasets, and evaluation methods. This fragmentation makes reproducibility and…

Artificial Intelligence · Computer Science 2025-11-07 Tim Beyer , Jonas Dornbusch , Jakob Steimle , Moritz Ladenburger , Leo Schwinn , Stephan Günnemann

Reusable skills are becoming a common interface for extending large language model agents, packaging procedural guidance with access to files, tools, memory, and execution environments. However, this modularity introduces attack surfaces…

Cryptography and Security · Computer Science 2026-05-28 Chang Jin , An Wang , Zeming Wei , Kai Wang , Biaojie Zeng , Qiaosheng Zhang , Chao Yang , Jingjing Qu , Xia Hu , Xingcheng Xu

Autonomous AI agents that can follow instructions and perform complex multi-step tasks have tremendous potential to boost human productivity. However, to perform many of these tasks, the agents need access to personal information from their…

Artificial Intelligence · Computer Science 2025-10-03 Arman Zharmagambetov , Chuan Guo , Ivan Evtimov , Maya Pavlova , Ruslan Salakhutdinov , Kamalika Chaudhuri