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Sovereign network functions, e.g., routing protocols, are becoming increasingly complex and susceptible to failures arising from protocol configuration anomalies and anomalous configurations. This paper interprets the protocol configuration…

Networking and Internet Architecture · Computer Science 2026-05-19 Xin Hao , Wei Ni , Chenhan Zhang , Massimo Piccardi , Raymond Owen

As text-to-image (T2I) models advance and gain widespread adoption, their associated safety concerns are becoming increasingly critical. Malicious users exploit these models to generate Not-Safe-for-Work (NSFW) images using harmful or…

Cryptography and Security · Computer Science 2025-12-10 Yiming Wang , Jiahao Chen , Qingming Li , Tong Zhang , Rui Zeng , Xing Yang , Shouling Ji

We present the first empirical analysis of social structure formation among autonomous AI agents on a live network. Our study examines 626 agents -- predominantly OpenClaw instances that independently discovered, installed, and joined the…

Social and Information Networks · Computer Science 2026-04-14 Teodor-Ioan Calin

Previous works on the CERT insider threat detection case have neglected graph and text features despite their relevance to describe user behavior. Additionally, existing systems heavily rely on feature engineering and audit data aggregation…

Machine Learning · Computer Science 2020-07-15 Mathieu Garchery , Michael Granitzer

Large language model (LLM) agents increasingly rely on third-party API routers to dispatch tool-calling requests across multiple upstream providers. These routers operate as application-layer proxies with full plaintext access to every…

Cryptography and Security · Computer Science 2026-04-10 Hanzhi Liu , Chaofan Shou , Hongbo Wen , Yanju Chen , Ryan Jingyang Fang , Yu Feng

In recent years, a number of process-based anomaly detection schemes for Industrial Control Systems were proposed. In this work, we provide the first systematic analysis of such schemes, and introduce a taxonomy of properties that are…

Cryptography and Security · Computer Science 2023-06-27 Alessandro Erba , Nils Ole Tippenhauer

Agent frameworks increasingly encode tool-using behavior as explicit workflow graphs, yet safety enforcement remains a runtime concern. These frameworks expose analyzable graph structure through their APIs, enabling pre-deployment static…

Logic in Computer Science · Computer Science 2026-03-24 Melwin Xavier , Vaisakh M A , Melveena Jolly , Midhun Xavier

The rapid appearance of large language models (LLMs) has led to systems that turn natural-language intent into real user interfaces (UIs). Free-form code generation maximizes expressiveness but often hurts reliability, security, and…

Human-Computer Interaction · Computer Science 2025-11-04 Xinsong Li , Ning Jiang , Jay Selvaraj

Modern AI agents execute real-world side effects through tool calls such as file operations, shell commands, HTTP requests, and database queries. A single unsafe action, including accidental deletion, credential exposure, or data…

Artificial Intelligence · Computer Science 2026-05-07 Chenglin Yang

Recent years have witnessed a rapid development of mobile GUI agents powered by large language models (LLMs), which can autonomously execute diverse device-control tasks based on natural language instructions. The increasing accuracy of…

Cryptography and Security · Computer Science 2026-04-15 Guohong Liu , Jialei Ye , Jiacheng Liu , Yuanchun Li , Wei Liu , Pengzhi Gao , Jian Luan , Yunxin Liu

Agent hijacking, highlighted by OWASP as a critical threat to the Large Language Model (LLM) ecosystem, enables adversaries to manipulate execution by injecting malicious instructions into retrieved content. Most existing attacks rely on…

Artificial Intelligence · Computer Science 2026-02-20 Xinhao Deng , Jiaqing Wu , Miao Chen , Yue Xiao , Ke Xu , Qi Li

Recently, reconstruction-based anomaly detection was proposed as an effective technique to detect attacks in dynamic industrial control networks. Unlike classical network anomaly detectors that observe the network traffic,…

Cryptography and Security · Computer Science 2020-10-13 Alessandro Erba , Riccardo Taormina , Stefano Galelli , Marcello Pogliani , Michele Carminati , Stefano Zanero , Nils Ole Tippenhauer

AI agents are increasingly deployed in multi-tenant cloud environments, where they execute diverse tool calls within sandboxed containers, each call with distinct resource demands and rapid fluctuations. We present a systematic…

Operating Systems · Computer Science 2026-02-24 Yusheng Zheng , Jiakun Fan , Quanzhi Fu , Yiwei Yang , Wei Zhang , Andi Quinn

AI agents are vulnerable to indirect prompt injection attacks, where malicious instructions embedded in external content or tool outputs cause unintended or harmful behavior. Inspired by the well-established concept of firewalls, we show…

Cryptography and Security · Computer Science 2026-03-24 Rishika Bhagwatkar , Kevin Kasa , Abhay Puri , Gabriel Huang , Irina Rish , Graham W. Taylor , Krishnamurthy Dj Dvijotham , Alexandre Lacoste

AI-agent guardrails are memoryless: each message is judged in isolation, so an adversary who spreads a single attack across dozens of sessions slips past every session-bound detector because only the aggregate carries the payload. We make…

Cryptography and Security · Computer Science 2026-04-24 Ari Azarafrooz

The capabilities of artificial intelligence (AI) lie along a jagged frontier, where AI systems surprisingly fail on tasks that humans find easy and succeed on tasks that humans find hard. To investigate user reactions to this phenomenon, we…

Computers and Society · Computer Science 2026-04-07 Jacy Reese Anthis , Hannah Cha , Solon Barocas , Alexandra Chouldechova , Jake Hofman

The modern web stack, which is dominated by browser-based applications and API-first backends, now operates under an adversarial equilibrium where automated, AI-assisted attacks evolve continuously. Content Delivery Networks (CDNs) and edge…

Cryptography and Security · Computer Science 2025-12-09 Mehrab Hosain , Sabbir Alom Shuvo , Matthew Ogbe , Md Shah Jalal Mazumder , Yead Rahman , Md Azizul Hakim , Anukul Pandey

The increasing prevalence of adversarial attacks on Artificial Intelligence (AI) systems has created a need for innovative security measures. However, the current methods of defending against these attacks often come with a high computing…

Cryptography and Security · Computer Science 2024-08-09 Duo Zhong , Bojing Li , Xiang Chen , Chenchen Liu

As the number of heterogenous IP-connected devices and traffic volume increase, so does the potential for security breaches. The undetected exploitation of these breaches can bring severe cybersecurity and privacy risks. Anomaly-based…

Machine Learning · Computer Science 2022-12-15 Willian T. Lunardi , Martin Andreoni Lopez , Jean-Pierre Giacalone

Autonomous graphical user interface (GUI) agents aim to facilitate task automation by interacting with the user interface without manual intervention. Recent studies have investigated eliciting the capabilities of large language models…

Computation and Language · Computer Science 2024-06-10 Zhuosheng Zhang , Aston Zhang