English
Related papers

Related papers: SafeHarbor: Hierarchical Memory-Augmented Guardrai…

200 papers

With the widespread application of Large Language Models (LLMs), their associated security issues have become increasingly prominent, severely constraining their trustworthy deployment in critical domains. This paper proposes a novel safety…

Artificial Intelligence · Computer Science 2025-11-18 Qi Li , Jianjun Xu , Pingtao Wei , Jiu Li , Peiqiang Zhao , Jiwei Shi , Xuan Zhang , Yanhui Yang , Xiaodong Hui , Peng Xu , Wenqin Shao

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

Despite the rapid advancement of LLM-based agents, the reliable evaluation of their safety and security remains a significant challenge. Existing rule-based or LLM-based evaluators often miss dangers in agents' step-by-step actions,…

Artificial Intelligence · Computer Science 2026-02-03 Hanjun Luo , Shenyu Dai , Chiming Ni , Xinfeng Li , Guibin Zhang , Kun Wang , Tongliang Liu , Hanan Salam

Recent advancements in Large Language Models (LLMs) have showcased remarkable capabilities across various tasks in different domains. However, the emergence of biases and the potential for generating harmful content in LLMs, particularly…

Cryptography and Security · Computer Science 2024-07-25 Zhuowen Yuan , Zidi Xiong , Yi Zeng , Ning Yu , Ruoxi Jia , Dawn Song , Bo Li

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

Large Language Models (LLMs) are transforming enterprise workflows but introduce security and ethics challenges when employees inadvertently share confidential data or generate policy-violating content. This paper proposes SafeGPT, a…

Cryptography and Security · Computer Science 2026-05-26 Pratyush Desai , Luoxi Tang , Yuqiao Meng , Zhaohan Xi

Large Language Model (LLM)-based agents employ external and internal memory systems to handle complex, goal-oriented tasks, yet this exposes them to severe extraction attacks, and effective defenses remain lacking. In this paper, we propose…

Cryptography and Security · Computer Science 2026-02-10 Yuhao Wang , Shengfang Zhai , Guanghao Jin , Yinpeng Dong , Linyi Yang , Jiaheng Zhang

As Large Language Models (LLMs) become more integrated into our daily lives, it is crucial to identify and mitigate their risks, especially when the risks can have profound impacts on human users and societies. Guardrails, which filter the…

Computation and Language · Computer Science 2024-05-30 Yi Dong , Ronghui Mu , Gaojie Jin , Yi Qi , Jinwei Hu , Xingyu Zhao , Jie Meng , Wenjie Ruan , Xiaowei Huang

Autonomous Large Language Model (LLM) agents, exemplified by OpenClaw, demonstrate remarkable capabilities in executing complex, long-horizon tasks. However, their tightly coupled instant-messaging interaction paradigm and high-privilege…

Effective guardrails are essential for safely deploying LLM-based agents in critical applications. Despite recent advances, existing guardrails suffer from two fundamental limitations: (i) they apply uniform guardrail policies to all users,…

Artificial Intelligence · Computer Science 2025-09-30 Yaozu Wu , Jizhou Guo , Dongyuan Li , Henry Peng Zou , Wei-Chieh Huang , Yankai Chen , Zhen Wang , Weizhi Zhang , Yangning Li , Meng Zhang , Renhe Jiang , Philip S. Yu

Although the integration of large language models (LLMs) into robotics has unlocked transformative capabilities, it has also introduced significant safety concerns, ranging from average-case LLM errors (e.g., hallucinations) to adversarial…

Robotics · Computer Science 2026-03-05 Zachary Ravichandran , Alexander Robey , Vijay Kumar , George J. Pappas , Hamed Hassani

Large Language Models (LLMs) are increasingly attracting attention in various applications. Nonetheless, there is a growing concern as some users attempt to exploit these models for malicious purposes, including the synthesis of controlled…

Artificial Intelligence · Computer Science 2026-01-22 Chongwen Zhao , Yutong Ke , Kaizhu Huang

Large Language Models (LLMs) are increasingly applied to domains that require reasoning about other agents' behavior, such as negotiation, policy design, and market simulation, yet existing research has mostly evaluated their adherence to…

Artificial Intelligence · Computer Science 2025-10-14 Enric Junque de Fortuny , Veronica Roberta Cappelli

Recent advances in Reinforcement Learning with Verifiable Rewards (RLVR) have demonstrated significant potential in single-turn reasoning tasks. With the paradigm shift toward self-evolving agentic learning, models are increasingly expected…

Artificial Intelligence · Computer Science 2026-04-21 Xinshun Feng , Xinhao Song , Lijun Li , Gongshen Liu , Jing Shao

LLM agents operating under organizational policies must comply with authorization constraints typically specified in natural language. In practice, such specifications inevitably contain ambiguities and logical or semantic gaps that cause…

Computation and Language · Computer Science 2026-04-20 Jihye Choi , Jinsung Yoon , Long T. Le , Somesh Jha , Tomas Pfister

LLMs have made impressive progress, but their growing capabilities also expose them to highly flexible jailbreaking attacks designed to bypass safety alignment. While many existing defenses focus on known types of attacks, it is more…

Cryptography and Security · Computer Science 2025-05-27 Haoyu Wang , Zeyu Qin , Yifei Zhao , Chao Du , Min Lin , Xueqian Wang , Tianyu Pang

Self-evolving LLM agents update their internal state across sessions, often by writing and reusing long-term memory. This design improves performance on long-horizon tasks but creates a security risk: untrusted external content observed…

Cryptography and Security · Computer Science 2026-03-06 Xianglin Yang , Yufei He , Shuo Ji , Bryan Hooi , Jin Song Dong

Large Language Model (LLM) agents can leverage tools such as Google Search to complete complex tasks. However, this tool usage introduces the risk of indirect prompt injections, where malicious instructions hidden in tool outputs can…

Machine Learning · Computer Science 2025-10-08 Zizhao Wang , Dingcheng Li , Vaishakh Keshava , Phillip Wallis , Ananth Balashankar , Peter Stone , Lukas Rutishauser

As Large Language Models (LLMs) are increasingly integrated into academic peer review, their vulnerability to adversarial hidden prompts, i.e., adversarial instructions embedded in submissions to manipulate outcomes, poses a critical threat…

Computation and Language · Computer Science 2026-05-29 Yuan Xin , Yixuan Weng , Minjun Zhu , Ying Ling , Chengwei Qin , Michael Backes , Yue Zhang , Linyi Yang

As large language models (LLMs) continue to evolve, their potential use in automating cyberattacks becomes increasingly likely. With capabilities such as reconnaissance, exploitation, and command execution, LLMs could soon become integral…

Cryptography and Security · Computer Science 2024-10-22 Daniel Ayzenshteyn , Roy Weiss , Yisroel Mirsky