Towards Production-Worthy Simulation for Autonomous Cyber Operations

• URL: http://arxiv.org/abs/2508.19278v1
• Date: Sat, 23 Aug 2025 20:29:25 GMT
• Title: Towards Production-Worthy Simulation for Autonomous Cyber Operations
• Authors: Konur Tholl, Mariam El Mezouar, Ranwa Al Mallah,
• Abstract summary: We extend CybORG's Cage Challenge 2 environment by implementing three new actions: Patch, Isolate, and Unisolate.<n>We then propose a design for agent development where we modify the reward signals and the agent's feature space to enhance training performance.
• Score: 0.37596343595976384
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Simulated environments have proven invaluable in Autonomous Cyber Operations (ACO) where Reinforcement Learning (RL) agents can be trained without the computational overhead of emulation. These environments must accurately represent cybersecurity scenarios while producing the necessary signals to support RL training. In this study, we present a framework where we first extend CybORG's Cage Challenge 2 environment by implementing three new actions: Patch, Isolate, and Unisolate, to better represent the capabilities available to human operators in real-world settings. We then propose a design for agent development where we modify the reward signals and the agent's feature space to enhance training performance. To validate these modifications, we train DQN and PPO agents in the updated environment. Our study demonstrates that CybORG can be extended with additional realistic functionality, while maintaining its ability to generate informative training signals for RL agents.

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