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Warning: this paper contains content that maybe offensive or upsetting. Recent research in Natural Language Processing (NLP) has advanced the development of various toxicity detection models with the intention of identifying and mitigating…

Computation and Language · Computer Science 2022-05-06 Ninareh Mehrabi , Ahmad Beirami , Fred Morstatter , Aram Galstyan

Traditional, centralized security tools often miss adaptive, multi-vector attacks. We present the Multi-Agent LLM Cyber Defense Framework (MALCDF), a practical setup where four large language model (LLM) agents-Detection, Intelligence,…

Cryptography and Security · Computer Science 2025-12-18 Arth Bhardwaj , Sia Godika , Yuvam Loonker

Unsupervised Text Style Transfer (UTST) has emerged as a critical task within the domain of Natural Language Processing (NLP), aiming to transfer one stylistic aspect of a sentence into another style without changing its semantics, syntax,…

Computation and Language · Computer Science 2024-02-22 Lei Pan , Yunshi Lan , Yang Li , Weining Qian

When an LLM agent fails a multi-step tool-augmented task and retries, the failed attempt typically remains in its context window -- contaminating the next attempt and elevating the per-step error rate beyond the base level. This…

Artificial Intelligence · Computer Science 2026-05-12 Zhanfu Yang

Post-mortem analysis of compromised systems is a key aspect of cyber forensics, today a mostly manual, slow, and error-prone task. Agentic AI, i.e., LLM-powered agents, is a promising avenue for automation. However, applying such agents to…

Cryptography and Security · Computer Science 2026-03-06 Stefano Fumero , Kai Huang , Matteo Boffa , Danilo Giordano , Marco Mellia , Dario Rossi

Execution-aware LLM agents offer a promising paradigm for learning from tool feedback, but such feedback is often expensive and slow to obtain, making online reinforcement learning (RL) impractical. High-coverage hardware verification…

Artificial Intelligence · Computer Science 2026-02-27 Hejia Zhang , Zhongming Yu , Chia-Tung Ho , Haoxing Ren , Brucek Khailany , Jishen Zhao

Computer-use agents (CUAs) can now autonomously complete complex tasks in real digital environments, but when misled, they can also be used to automate harmful actions programmatically. Existing safety evaluations largely target explicit…

Cryptography and Security · Computer Science 2026-04-20 Xuwei Ding , Skylar Zhai , Linxin Song , Jiate Li , Taiwei Shi , Nicholas Meade , Siva Reddy , Jian Kang , Jieyu Zhao

Large language models (LLMs) are increasingly deployed in human-AI teams as support agents for complex tasks such as information retrieval, programming, and decision-making assistance. While these agents' autonomy and contextual knowledge…

Machine Learning · Computer Science 2026-03-24 Abed K. Musaffar , Ambuj Singh , Francesco Bullo

A high volume of recent ML security literature focuses on attacks against aligned large language models (LLMs). These attacks may extract private information or coerce the model into producing harmful outputs. In real-world deployments,…

Machine Learning · Computer Science 2025-02-13 Ang Li , Yin Zhou , Vethavikashini Chithrra Raghuram , Tom Goldstein , Micah Goldblum

Since the official release of ChatGPT in 2022, large language models (LLMs) have rapidly evolved from chatbot-style interfaces into agentic systems that can delegate work through tools and newly spawned subagents. While these capabilities…

Cryptography and Security · Computer Science 2026-05-12 Ziwen Cai , Yihe Zhang , Xiali Hei

Documenting tacit knowledge in organizations can be a challenging task due to incomplete initial information, difficulty in identifying knowledgeable individuals, the interplay of formal hierarchies and informal networks, and the need to…

Artificial Intelligence · Computer Science 2025-07-08 Gianlucca Zuin , Saulo Mastelini , Túlio Loures , Adriano Veloso

LLM-powered agents are beginning to automate user's tasks across the open web, often with access to user resources such as emails and calendars. Unlike standard LLMs answering questions in a controlled ChatBot setting, web agents act "in…

Artificial Intelligence · Computer Science 2026-02-17 Jaechul Roh , Eugene Bagdasarian , Hamed Haddadi , Ali Shahin Shamsabadi

LLM agents increasingly draft messages on behalf of users, yet users routinely overshare sensitive information and disagree on what counts as private. Existing systems support only suppression (omitting sensitive information) and…

Cryptography and Security · Computer Science 2026-04-09 Yunze Xiao , Wenkai Li , Xiaoyuan Wu , Ningshan Ma , Yueqi Song , Weihao Xuan

In this work, we consider the consensus problem in which legitimate agents share their values over an undirected communication network in the presence of malicious or faulty agents. Different from the previous works, we characterize the…

Systems and Control · Electrical Eng. & Systems 2024-03-27 Sarper Aydın , Orhan Eren Akgün , Stephanie Gil , Angelia Nedić

As multi-agent architectures and agent-to-agent protocols proliferate, a fundamental question arises: what actually happens when autonomous LLM agents interact at scale? We study this question empirically using data from Moltbook, an…

Artificial Intelligence · Computer Science 2026-02-24 Sarath Shekkizhar , Adam Earle

Graphical user interface (GUI) agents built on multimodal large language models (MLLMs) have recently demonstrated strong decision-making abilities in screen-based interaction tasks. However, they remain highly vulnerable to pop-up-based…

Cryptography and Security · Computer Science 2026-04-08 Zihe Yan , Jiaping Gui , Zhuosheng Zhang , Gongshen Liu

As Large Language Models (LLMs) are increasingly integrated into automated, multi-stage pipelines, risk patterns that arise from unvalidated trust between processing stages become a practical concern. This paper presents a…

Cryptography and Security · Computer Science 2025-11-03 Dominik Schwarz

The growing deployment of large language model (LLM) based agents that interact with external environments has created new attack surfaces for adversarial manipulation. One major threat is indirect prompt injection, where attackers embed…

Computation and Language · Computer Science 2026-04-14 Hwan Chang , Yonghyun Jun , Hwanhee Lee

Computer-use agent (CUA) frameworks, powered by large language models (LLMs) or multimodal LLMs (MLLMs), are rapidly maturing as assistants that can perceive context, reason, and act directly within software environments. Among their most…

Cryptography and Security · Computer Science 2025-10-13 Weidi Luo , Qiming Zhang , Tianyu Lu , Xiaogeng Liu , Bin Hu , Hung-Chun Chiu , Siyuan Ma , Yizhe Zhang , Xusheng Xiao , Yinzhi Cao , Zhen Xiang , Chaowei Xiao

Collaborative spectrum sensing can significantly improve the detection performance of secondary unlicensed users (SUs). However, the performance of collaborative sensing is vulnerable to sensing data falsification attacks, where malicious…

Cryptography and Security · Computer Science 2016-11-17 Lingjie Duan , Alexander W. Min , Jianwei Huang , Kang G. Shin