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Related papers: Stateful Agent Backdoor

200 papers

Large language model (LLM) agents increasingly leverage long term memory to support persistent and autonomous task execution. However, this capability also introduces a new attack surface: memory poisoning, where adversaries can inject…

Cryptography and Security · Computer Science 2026-05-29 Hongtao Wang , Se Yang , Yu Chen , Puzhuo Liu

Backdoor attacks on reinforcement learning implant a backdoor in a victim agent's policy. Once the victim observes the trigger signal, it will switch to the abnormal mode and fail its task. Most of the attacks assume the adversary can…

Multiagent Systems · Computer Science 2022-11-22 Shuo Chen , Yue Qiu , Jie Zhang

Computational efficiency has remained a critical consideration in scaling high-capacity language models, with inference latency and resource consumption presenting significant constraints on real-time applications. The study has introduced…

Computation and Language · Computer Science 2025-03-26 Michael Mangrum , Jonathan Pemberton , Benedict Wetherby , Philip Montague

Recent developments in Large Language Models (LLMs) have manifested significant advancements. To facilitate safeguards against malicious exploitation, a body of research has concentrated on aligning LLMs with human preferences and…

Cryptography and Security · Computer Science 2024-06-11 Yuanpu Cao , Bochuan Cao , Jinghui Chen

Personalized LLM agents maintain persistent cross-session state to support long-horizon collaboration. Yet, this persistence introduces a subtle but critical security vulnerability: routine user-agent interactions can gradually reshape an…

Cryptography and Security · Computer Science 2026-05-11 Xiaoyu Xu , Minxin Du , Qipeng Xie , Haobin Ke , Qingqing Ye , Haibo Hu

Large language models are increasingly augmented with persistent memory, allowing assistants to store user-specific information across sessions for personalization and continuity. This statefulness introduces a new security risk:…

Cryptography and Security · Computer Science 2026-05-19 Sidharth Pulipaka , Stanislau Hlebik , Leonidas Raghav , Sahar Abdelnabi , Vyas Raina , Ivaxi Sheth , Mario Fritz

Prompt-based approaches offer a cutting-edge solution to data privacy issues in continual learning, particularly in scenarios involving multiple data suppliers where long-term storage of private user data is prohibited. Despite delivering…

Machine Learning · Computer Science 2024-12-18 Trang Nguyen , Anh Tran , Nhat Ho

Because state-of-the-art language models are expensive to train, most practitioners must make use of one of the few publicly available language models or language model APIs. This consolidation of trust increases the potency of backdoor…

Cryptography and Security · Computer Science 2023-07-28 Nikhil Kandpal , Matthew Jagielski , Florian Tramèr , Nicholas Carlini

Large Language Model (LLM) Agents are an emerging computing paradigm that blends generative machine learning with tools such as code interpreters, web browsing, email, and more generally, external resources. These agent-based systems…

Cryptography and Security · Computer Science 2024-10-23 Xiaohan Fu , Shuheng Li , Zihan Wang , Yihao Liu , Rajesh K. Gupta , Taylor Berg-Kirkpatrick , Earlence Fernandes

Large language models (LLMs) have transformed the development of embodied intelligence. By providing a few contextual demonstrations, developers can utilize the extensive internal knowledge of LLMs to effortlessly translate complex tasks…

Artificial Intelligence · Computer Science 2024-08-07 Aishan Liu , Yuguang Zhou , Xianglong Liu , Tianyuan Zhang , Siyuan Liang , Jiakai Wang , Yanjun Pu , Tianlin Li , Junqi Zhang , Wenbo Zhou , Qing Guo , Dacheng Tao

Large Language Models (LLMs) have demonstrated the ability to solve a wide range of practical tasks within multi-agent systems. However, existing human-designed multi-agent frameworks are typically limited to a small set of pre-defined…

Artificial Intelligence · Computer Science 2025-07-31 Yaolun Zhang , Xiaogeng Liu , Chaowei Xiao

As large language models (LLMs) grow more capable, they face growing vulnerability to sophisticated jailbreak attacks. While developers invest heavily in alignment finetuning and safety guardrails, researchers continue publishing novel…

Cryptography and Security · Computer Science 2025-08-14 Boyuan Chen , Minghao Shao , Abdul Basit , Siddharth Garg , Muhammad Shafique

Large Language Models (LLMs) have demonstrated remarkable capabilities across various tasks, yet they remain vulnerable to adversarial manipulations such as jailbreaking via prompt injection attacks. These attacks bypass safety mechanisms…

Machine Learning · Computer Science 2025-07-08 Xin Wei Chia , Swee Liang Wong , Jonathan Pan

Rapidly evolving cyberattacks demand incident response systems that can autonomously learn and adapt to changing threats. Prior work has extensively explored the reinforcement learning approach, which involves learning response strategies…

Cryptography and Security · Computer Science 2026-04-16 Yiran Gao , Kim Hammar , Tao Li

Large Language Models (LLMs) have been increasingly integrated into computer-use agents, which can autonomously operate tools on a user's computer to accomplish complex tasks. However, due to the inherently unstable and unpredictable nature…

Cryptography and Security · Computer Science 2025-09-10 Haitao Hu , Peng Chen , Yanpeng Zhao , Yuqi Chen

Recent work has demonstrated robust mechanisms by which attacks can be orchestrated on machine learning models. In contrast to adversarial examples, backdoor or trojan attacks embed surgically modified samples with targeted labels in the…

Cryptography and Security · Computer Science 2019-03-19 Zhaoyuan Yang , Naresh Iyer , Johan Reimann , Nurali Virani

The growing dependence on machine learning in real-world applications emphasizes the importance of understanding and ensuring its safety. Backdoor attacks pose a significant security risk due to their stealthy nature and potentially serious…

Cryptography and Security · Computer Science 2023-10-19 Ganghua Wang , Xun Xian , Jayanth Srinivasa , Ashish Kundu , Xuan Bi , Mingyi Hong , Jie Ding

We introduce an architecture for studying the behavior of large language model (LLM) agents in the absence of externally imposed tasks. Our continuous reason and act framework, using persistent memory and self-feedback, enables sustained…

Artificial Intelligence · Computer Science 2025-09-26 Stefan Szeider

Recent research has confirmed the feasibility of backdoor attacks in deep reinforcement learning (RL) systems. However, the existing attacks require the ability to arbitrarily modify an agent's observation, constraining the application…

Cryptography and Security · Computer Science 2021-12-14 Lun Wang , Zaynah Javed , Xian Wu , Wenbo Guo , Xinyu Xing , Dawn Song

Speech language models (SLMs) are systems of systems: independent components that unite to achieve a common goal. Despite their heterogeneous nature, SLMs are often studied end-to-end; how information flows through the pipeline remains…

Computation and Language · Computer Science 2026-04-08 Alexandrine Fortier , Thomas Thebaud , Jesús Villalba , Najim Dehak , Patrick Cardinal , Peter West