Abstract
We develop a method to evaluate financial losses of enterprises caused by breaks of information security systems. The method can be used to estimate the losses as a result of the information system’s accidents (for example, computer attacks or unauthorized intrusions). In addition, this method can evaluate the risk level of any enterprise. As an illustration, a practical example of estimating financial losses based upon a real-life case is presented. Some results of dynamic changes of variables involved in the method are also shown.
Keywords: Computer attacks, enterprise, estimation, financial losses, hacker attacks, information security systems, information system accidents, negative impacts, risks, unauthorized intrusions.