Dynamic Model on DDoS Attack in Computer Network

The "information warfare" can hit and completely break down critical IT infrastructure of an organization or a country. Cybercrime has many types, but, in this paper we have focused on DDoS attack into a computer network to spread bots throughout the network. DDoS attack can be used to sabotage a service or as a cover for bots delivery. In this paper an epidemic SIS -- SEIRS model is proposed to represent the propagation of bots in computer network through DDoS attack. A mathematical model is also formulated to represent the dynamism of the members of different compartments of the model. The model provides an epidemic framework consisting of two sub frameworks to represent the internal class of nodes and external class of nodes. Numerical methods are employed to solve and simulate the system of equations developed. Results of numerical simulations are obtained using MATLAB.

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