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Applying the Stackelberg game to assess critical infrastructure vulnerability: Based on a general multi-layer network
Haitao Li1,2, Lixin Ji1,2, Kai Wang1,2
1Information Technology Research Institute, Information Engineering University, Zhengzhou 450002, China.
Chaos (Woodbury, N.Y.)
|December 5, 2024
Summary
This study introduces a game theory model for assessing critical infrastructure systems (CIS) vulnerability in multi-layer networks. It enhances protection strategies by combining qualitative and quantitative vulnerability assessments for more accurate defense.
Area of Science:
- Network Science and Game Theory
- Cybersecurity and Critical Infrastructure Protection
Background:
- Critical infrastructure systems (CIS) are vital for human life and frequently targeted by attacks.
- Accurate vulnerability assessment is crucial for effective CIS protection, but current models often focus on single-layer networks.
- Existing research lacks a comprehensive approach combining qualitative and quantitative vulnerability aspects for multi-layer networks.
Purpose of the Study:
- To develop a unified model for assessing the vulnerability of multi-layer networks representing CIS.
- To apply Stackelberg game theory to analyze intelligent confrontation within these complex networks.
- To provide a comprehensive method for accurate CIS protection through game equilibrium-based vulnerability assessment.
Main Methods:
- Constructed a general model for multi-layer networks, incorporating a multi-layer weighted factor to extend topological attributes.
- Designed a Stackelberg game model specifically for the multi-layer network environment.
- Qualitatively analyzed the influence of multi-layer network characteristics on vulnerability and developed a quantitative assessment method.
Main Results:
- Multi-layer network vulnerability is significantly influenced by the multi-layer weighted factor, single-layer network type, and inter-layer coupling.
- Quantitative vulnerability assessment depends not only on topology attributes but also on available resources.
- The proposed model demonstrates the adaptive nature of CIS and offers a novel approach to protection.
Conclusions:
- The study provides an adaptive model for critical infrastructure systems (CIS) vulnerability assessment in multi-layer networks.
- A new approach to accurate protection is offered by integrating game theory and network science for comprehensive vulnerability evaluation.
- Further research is warranted to explore the implications of this comprehensive vulnerability assessment methodology.
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