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A topology and risk-aware access control framework for cyber-physical space

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Abstract

Cyber-physical space is a spatial environment that integrates the cyber world and the physical world, aiming to provide an intelligent environment for users to conduct their day-to-day activities. The interplay between the cyber space and physical space proposes specific security requirements that are not captured by traditional access control frameworks. On one hand, the security of the physical space and the cyber space should be both concerned in the cyber-physical space. On the other hand, the bad results caused by failure in providing secure policy enforcement may directly affect the controlled physical world. In this paper, we propose an effective access control framework for the cyber-physical space. Firstly, a topology-aware access control (TAAC) model is proposed. It can express the cyber access control, the physical access control, and the interaction access control simultaneously. Secondly, a risk assessment approach is proposed for the policy enforcement phase. It is used to evaluate the user behavior and ensures that the suspicious behaviors executed by authorized users can be handled correctly. Thirdly, we propose a role activation algorithm to ensure that the objects are accessed only by legal and honest users. Finally, we evaluate our approach by using an illustrative example and the performance analysis. The results demonstrate the feasibility of our approach.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 61772270, 61602262 and 61602237), Jiangsu Natural Science Foundation of China (BK20170809), National High Technology Research and Development Program of China (2015AA015303).

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Authors and Affiliations

  1. School of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China

    Yan Cao, Zhiqiu Huang, Yaoshen Yu, Changbo Ke & Zihao Wang

  2. Key Laboratory of Safety-Critical Software, Ministry of Industry and Information Technology, Nanjing, 211106, China

    Yan Cao, Zhiqiu Huang & Yaoshen Yu

  3. Collaborative Innovation Center of Novel Software Technology and Industrialization, Nanjing, 211106, China

    Zhiqiu Huang

  4. School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, 210023, China

    Changbo Ke

Authors
  1. Yan Cao
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  2. Zhiqiu Huang
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  3. Yaoshen Yu
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  4. Changbo Ke
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  5. Zihao Wang
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Corresponding author

Correspondence to Zhiqiu Huang.

Additional information

Yan Cao is currently a PhD candidate in the department of computer sciences and technology, Nanjing University of Aeronautics and Astronautics, China. She has participated in several research projects and industrial projects about IT security. Her research interests include cyber-physical space, security and privacy, formal methods, and software engineering.

Zhiqiu Huang is currently a professor at the department of computer sciences and technology, Nanjing University of Aeronautics and Astronautics, China. He has supported several research projects of the National Natural Science Foundation of China about privacy and security. He has participated in several industrial projects working on the area of IT security. His research interests include safety and dependable software development, formal methods, security and privacy.

Yaoshen Yu is currently a PhD candidate in the department of computer sciences and technology, Nanjing University of Aeronautics and Astronautics, China. His research interests include formal methods, software engineering, safety and security.

Changbo Ke received the PhD degree in software engineering from Nanjing University of Aeronautics and Astronautics, China in 2015. He is currently a post-doctoral student in Nanjing University of Aeronautics and Astronautics and also a teacher at the colleague of computer science, Nanjing University of Posts and Telecommunications, China. His research interests include Web service, software engineering, privacy protection, and formal methods.

Zihao Wang is currently a master student at the department of computer sciences and technology, Nanjing University of Aeronautics and Astronautics, China. His research interests include security and privacy, block chain technology.

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Cao, Y., Huang, Z., Yu, Y. et al. A topology and risk-aware access control framework for cyber-physical space. Front. Comput. Sci. 14, 144805 (2020). https://doi.org/10.1007/s11704-019-8454-0

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