Year: 2024
Type: conference-paper
Abstract: The strengthening of the role of information in the economy, in particular in transport, is accompanied by the growth of cyber threats. The International Maritime Organization has developed and adopted a number of foundational cybersecurity documents that define requirements for cybersecurity management on board ships. These documents oblige the administration of maritime companies to ensure proper consideration of cyber risks and the application of protection methods in security management systems. The development and establishment of relevant uniform rules is an urgent task for both maritime companies and ships. The most promising direction of ensuring information security is, of course, the use of mathematical models. Such models describe the processes of interaction of a cyberspace violator and the protection system, which should take into account possible cyberattacks on the ship and ensure the preservation and inviolability of the ship’s information as much as possible. Analysis of research in the field of building mathematical models of processes taking place in cyberspace shows that, firstly, this is a really relevant research direction, and, secondly, at the moment there are many different theories that form the basis of modeling. The authors of this work propose a new approach to the mathematical modeling of the cyber security management system on the ship, namely, the use of the theory of Markov chains, since a cyberattack on a ship can happen at any random moment, and this event does not always depend on cyberattacks that occurred some time ago. Therefore, a model of the cyber security management system on the ship as a subsystem of the enterprise security management system was built using mathematical modeling methods. Such concepts as the state of cyber security of the ship, the probabilistic relationship between the states, regulation of actions according to the state are defined. The mathematical model of the cyber security management system is based on the model of discrete Markov processes, in which the vertices of the digraph of the Markov chain are the cyber security states of the ship. Connections between the states of the ship’s cyber security system were investigated using an expert method. The developed model is illustrated on the example of accounting for the state of cyber security of a ship. The considered methods and technologies of the ship’s cyber security system are implemented in the educational process of the Kherson Maritime Academy in the distance course “Cyber security of ship computer systems and networks”.
Institutions: Kherson State Maritime Academy, Kherson State University
Language: English
Subfield: Information Systems
Field: Computer Science
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W7166159656