PocketAgents: A Manifest-Driven Library of Autonomous Defense Agents

Fuente: arXiv
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Hauptverfasser: Barbieri, Sidnei, Ferraz, Ágney Lopes Roth, Júnior, Lourenço Alves Pereira
Format: Preprint
Veröffentlicht: 2026
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author Barbieri, Sidnei
Ferraz, Ágney Lopes Roth
Júnior, Lourenço Alves Pereira
author_facet Barbieri, Sidnei
Ferraz, Ágney Lopes Roth
Júnior, Lourenço Alves Pereira
contents Connecting large language models (LLMs) to defensive enforcement requires more than asking a model whether an attack is happening. A defender must decide which model outputs may change the system state, which outputs must be rejected, and how failures should be recorded. We present PocketAgents, a manifest-driven library of autonomous defense agents. Each agent is installed as three data files: a manifest, a prompt, and a runtime context. The shared runtime gives the agent bounded telemetry access and accepts only typed reports whose requested action appears in the manifest. We implemented PocketAgents on top of a cyber arena (Perry), a cyber-deception testbed, and evaluated two agents, Command and Control and Exfiltration, in 18 closed-loop trials of a DarkSide-inspired attack on a small enterprise topology. Thirteen trials produced validated network-block actions and contained the attack; four failed schema validation; one produced a valid no-action decision. The experiments show that a typed boundary makes LLM-driven defense measurable, extensible, and attributable.
format Preprint
id arxiv_https___arxiv_org_abs_2605_21694
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle PocketAgents: A Manifest-Driven Library of Autonomous Defense Agents
Barbieri, Sidnei
Ferraz, Ágney Lopes Roth
Júnior, Lourenço Alves Pereira
Cryptography and Security
Artificial Intelligence
Connecting large language models (LLMs) to defensive enforcement requires more than asking a model whether an attack is happening. A defender must decide which model outputs may change the system state, which outputs must be rejected, and how failures should be recorded. We present PocketAgents, a manifest-driven library of autonomous defense agents. Each agent is installed as three data files: a manifest, a prompt, and a runtime context. The shared runtime gives the agent bounded telemetry access and accepts only typed reports whose requested action appears in the manifest. We implemented PocketAgents on top of a cyber arena (Perry), a cyber-deception testbed, and evaluated two agents, Command and Control and Exfiltration, in 18 closed-loop trials of a DarkSide-inspired attack on a small enterprise topology. Thirteen trials produced validated network-block actions and contained the attack; four failed schema validation; one produced a valid no-action decision. The experiments show that a typed boundary makes LLM-driven defense measurable, extensible, and attributable.
title PocketAgents: A Manifest-Driven Library of Autonomous Defense Agents
topic Cryptography and Security
Artificial Intelligence
url https://arxiv.org/abs/2605.21694