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Indirect prompt injection attacks threaten AI agents that execute consequential actions, motivating deterministic system-level defenses. Such defenses can provably block unsafe actions by enforcing confidentiality and integrity policies,…

Cryptography and Security · Computer Science 2026-02-13 Aashish Kolluri , Rishi Sharma , Manuel Costa , Boris Köpf , Tobias Nießen , Mark Russinovich , Shruti Tople , Santiago Zanella-Béguelin

AI agents are autonomous entities that can be instantiated on demand, migrate across platforms, and interact with other agents or services without continuous human supervision. In such environments, identity is critical for establishing…

Cryptography and Security · Computer Science 2026-04-29 Minghui Xu , Xiaoyu Liu , Yihao Guo , Chunchi Liu , Yue Zhang , Xiuzhen Cheng

Autonomous AI agents deployed on platforms such as OpenClaw face prompt injection, memory poisoning, supply-chain attacks, and social engineering, yet existing defences address only the platform perimeter, leaving the agent's own threat…

Cryptography and Security · Computer Science 2026-04-28 Jiaqi Li , Yang Zhao , Bin Sun , Yang Yu , Jian Chang , Lidong Zhai

Large Language Models (LLMs) have evolved into AI agents that interact with external tools and environments to perform complex tasks. The Model Context Protocol (MCP) has become the de facto standard for connecting agents with such…

Cryptography and Security · Computer Science 2026-04-27 Christoph Bühler , Matteo Biagiola , Luca Di Grazia , Guido Salvaneschi

Despite the programmable architecture of Open RAN, today's deployments still rely heavily on static control and manual operations. To move beyond this limitation, we introduce AgentRAN, an AI-native, Open RAN-aligned agentic framework that…

Artificial Intelligence · Computer Science 2026-02-03 Maxime Elkael , Salvatore D'Oro , Leonardo Bonati , Michele Polese , Yunseong Lee , Koichiro Furueda , Tommaso Melodia

Organisations are starting to adopt LLM-based AI agents, with their deployments naturally evolving from single agents towards interconnected, multi-agent networks. Yet a collection of safe agents does not guarantee a safe collection of…

Multiagent Systems · Computer Science 2025-08-11 Alistair Reid , Simon O'Callaghan , Liam Carroll , Tiberio Caetano

With the rise of large language and vision-language models, AI agents have evolved into autonomous, interactive systems capable of perception, reasoning, and decision-making. As they proliferate across virtual and physical domains, the…

Cryptography and Security · Computer Science 2025-05-15 Yuntao Wang , Yanghe Pan , Shaolong Guo , Zhou Su

As AI models scale to billions of parameters and operate with increasing autonomy, ensuring their safe, reliable operation demands engineering-grade security and assurance frameworks. This paper presents an enterprise-level, risk-aware,…

Cryptography and Security · Computer Science 2025-05-13 Krti Tallam

As Agentic AI systems evolve from basic workflows to complex multi agent collaboration, robust protocols such as Google's Agent2Agent (A2A) become essential enablers. To foster secure adoption and ensure the reliability of these complex…

Cryptography and Security · Computer Science 2025-05-06 Idan Habler , Ken Huang , Vineeth Sai Narajala , Prashant Kulkarni

AI agents are increasingly used to solve complex, multi-step tasks, but existing multi-agent frameworks remain brittle as workflows grow in scale and depth. Small errors at intermediate stages can propagate through agent interactions, while…

Artificial Intelligence · Computer Science 2026-05-26 Andy Xu , Yu-Wing Tai

The rapid integration of Large Language Models (LLMs) into high-stakes domains necessitates reliable safety and compliance evaluation. However, existing static benchmarks are ill-equipped to address the dynamic nature of AI risks and…

Artificial Intelligence · Computer Science 2026-05-15 Yixu Wang , Xin Wang , Yang Yao , Xinyuan Li , Xibang Yang , Yan Teng , Xingjun Ma , Yingchun Wang

Recent advances in large language models (LLMs) have catalyzed the rise of autonomous AI agents capable of perceiving, reasoning, and acting in dynamic, open-ended environments. These large-model agents mark a paradigm shift from static…

Artificial Intelligence · Computer Science 2025-07-01 Hang Su , Jun Luo , Chang Liu , Xiao Yang , Yichi Zhang , Yinpeng Dong , Jun Zhu

Agentic frameworks are the software layer through which AI agents act in the world. Existing safety methods intervene on the model and therefore remain conditional on unverifiable properties of learned behavior. We introduce containment…

Artificial Intelligence · Computer Science 2026-05-12 Royce Moon , Lav R. Varshney

Designing realistic and adaptive networked threat scenarios remains a core challenge in cybersecurity research and training, still requiring substantial manual effort. While large language models (LLMs) show promise for automated synthesis,…

Cryptography and Security · Computer Science 2025-10-30 Ana M. Rodriguez , Jaime Acosta , Anantaa Kotal , Aritran Piplai

Agentic systems based on large language models (LLMs) operate not merely as text generators but as autonomous entities that dynamically retrieve information and invoke tools. This execution model shifts the attack surface from traditional…

Cryptography and Security · Computer Science 2026-04-21 Xiaochong Jiang , Shiqi Yang , Wenting Yang , Yichen Liu , Cheng Ji

When combining Large Language Models (LLMs) with autonomous agents, used in network monitoring and decision-making systems, this will create serious security issues. In this research, the MAESTRO framework consisting of the seven layers…

Cryptography and Security · Computer Science 2025-08-15 Pallavi Zambare , Venkata Nikhil Thanikella , Ying Liu

This paper proposes a novel architectural framework aimed at enhancing security and reliability in multi-agent systems (MAS). A central component of this framework is a network of Sentinel Agents, functioning as a distributed security layer…

Artificial Intelligence · Computer Science 2025-09-19 Diego Gosmar , Deborah A. Dahl

Artificial Intelligence (AI) agents can now orchestrate cyberattacks. This development is already increasing the speed and scale of cyber attacks, decreasing attack costs, and improving the operational autonomy of cyber capabilities. To…

Computers and Society · Computer Science 2026-05-22 Matt Mittelsteadt , Jam Kraprayoon , Robin Staes-Polet , Oskar Galeev , Jan Wehner , Christopher Covino , Shaun Ee

Autonomous large language model (LLM) agents such as OpenClaw are pushing agentic commerce from human-supervised assistance toward machine actors that can negotiate, purchase services, manage digital assets, and execute transactions across…

Cryptography and Security · Computer Science 2026-05-04 Qian'ang Mao , Jiaxin Wang , Ya Liu , Li Zhu , Cong Ma , Jiaqi Yan

Advances in large language models have enabled agentic AI systems that can reason, plan, and interact with external tools to execute multi-step workflows, while public blockchains have evolved into a programmable substrate for value…

Artificial Intelligence · Computer Science 2026-01-09 Saad Alqithami