Valuation and protection of insider information

Different aspects of introduction of means to counteract insider activity are considered. The pragmatic approach to assessing the necessity and cost of implementing countermeasures to insider activity of a certain organization is shown. The condition of the economic feasibility of introducing measures to counteract insider activities is given, the approaches to evaluating insider information are proposed, and the basic conclusions are formulated. The article is analytical and can be useful for heads of information security services, teachers, and students.