The talk covers the problem of attack modeling and the prospect of solving the problem in relation to security and risk assessment. The speaker will discuss main existing attack models and modeling tools, and also the problems of their implementation in the practical assessment of computer system security. The talk considers the possibilities of applying artificial intelligence for computer attack modeling. The author of the research will present and analyze a new attack model based on neuron nets. Yevgeny Tumoyan is a Master of Science, associate professor of the IT Security Department of the Southern Federal University, senior staff scientist of the Southern Russain Scientific and Educational Center for Information Security of the Southern Federal Univarsity. Taganrog, Russia Darya Kavchuk is a graduate student of the Southern Federal University (Taganrog, Russia).Yevgeny Tumoyan Yevgeny Tumoyan, Darya Kavchuk