The operational risk has been analysed quite recently, both by the academic environment and by financial entities in their practical activity. This new risk has recently been introduced into the “solvency models” provided by the Capital Requirement and Solvency legislation. The “solvency models” are absolute assessment models and are based on the idea of determining an optimal solvency ratio between the level of potential losses associated with the risks a financial entity is exposed to and the level of own funds it holds. Below this optimal ratio it is considered that, in the event of a materialization of the risk, the entity will go bankrupt. In the financial industry there is also a category of financial entities that legally cannot go b...