The article is devoted to formal methods of decision support as an important component of economic security, which are discussed in the context of rapidly developing information technologies, in accordance with competence of specialists, employed in modern economy. The subject of attention was the information managerial methodology, with its rapid development and current relevancy, which allows to process managerial experience into data. The article also speculates on methods of past data analysis regarding quantitative characteristics of managerial actions (price fluctuations, advertisement expenditures, inner-company stimulation of staff), resulting indexes (cost-effectiveness, income, profits in types of activities, places of realization) for further risk management.