2018

Deriving a cost-effective digital twin of an ICS to facilitate security evaluation

Ron Bitton, Tomer Gluck, Orly Stan, Masaki Inokuchi, Yoshinobu Ohta, Yoshiyuki Yamada, Tomohiko Yagyu, Yuval Elovici, Asaf Shabtai

Computer Security: 23rd European Symposium on Research in Computer Security …, 2018

Industrial control systems (ICSs), and particularly supervisory control and data acquisition (SCADA) systems, are used in many critical infrastructures and are inherently insecure, making them desirable targets for attackers. ICS networks differ from typical enterprise networks in their characteristics and goals; therefore, security assessment methods that are common in enterprise networks (e.g., penetration testing) cannot be directly applied in ICSs. Thus, security experts recommend using an isolated environment that mimics the real one for assessing the security of ICSs. While the use of such environments solves the main challenge in ICS security analysis, it poses another one: the trade-off between budget and fidelity. In this paper we suggest a method for creating a digital twin that is network-specific, cost-efficient, highly reliable, and security test-oriented. The proposed method consists of two modules: a …