Description: Sequence of steps of the expert assessments of partial criteria for informational security systems is given. Method for refinement coefficients of credibility and experts ratings is offered. Formula for evaluation of quantitative composition of experts is given to ensure reliability of experts ratings. The analysis of the number of calculations required for the evaluation of partical criteria by experts and the necessity of creating software for this is given stage.
Keywords: ISS, informational security system, insurance, experts ratings, quantitative composition, general criteri, partial criteria