Application of Crash-Tests for Graph Analytics of Electronic Payment Complex System for Investigation of System Economic Security

This paper suggests a mathematical model of the electronic money payments' system, based on the graph analytics methods. This approach allows carrying out the system stability analysis on the base of crash-tests developed by authors. These crash-tests simulate the consecutive destruction of some central and peripheral nodes of graph (participants of electronic money payment system) due to both faults and failures of hardware and equipment and hacker attacks. The integral estimation of system stability is developed as a linear combination of graph few centrality measures ranked in a special order. The paper considers dynamics of graph centrality metrics and total metric during graph destruction and determines the critical level of destruction using a matrix for economic security.