Начев, Атанас2025-03-2020231311-3771http://research.bfu.bg:4000/handle/123456789/872Determining potential threats and the extent of their influence on the safety of critical infrastructure sites are of particular importance, both in theoretical and applied aspects. An approach to finding a solution in this direction is given in this presentation. The same is based on the theory of probabilities and methods of decision-making.bgcritical infrastructurethreatlossesprobabilityefficiency ratioArticle