Hybrid Attack Graph Generation with Graph Convolutional Deep-Q Learning.
2023 IEEE International Conference on Big Data (BigData)(2023)
摘要
Critical infrastructure such as power grids are becoming increasingly complex, connected, and vulnerable. Effective risk mitigation for these cyber-physical energy systems (CPES), requires preemptive knowledge of likely adversarial attack scenarios. However, the scarcity of documented attack sequences hinders this process. We propose a data-driven Graph Convolutional Deep-Q Network (GCDQ) to address this lack of data through generating Hybrid Attack Graphs (HAGs), a graphical representation of CPES attack sequences. By leveraging limited real-world observations from the MITRE ATT&CK knowledge base, our GCDQ model synthesizes realistic graphs with the targeted attribute of minimum detectability via reinforcement learning. This generative model is the first step in creating a tool to substantially boost the attack sequence dataset and enhance the performance of CPES defense-related tasks by providing insights into likely attack sequences with given attributes.
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关键词
graph generation,cyber attack modeling,attribute targeting
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