Nowadays, financial institutions highly recognize a great influence of effective risk management on profit abilities. Therefore risk management became an important part of the financial instrument. According to the latest researches, there still remain problems related to the management of various types of risks. For instance, the Basel Committee of the Bank of International Settlements imposes financial institutions for more intensive devoting their attention to operational risk management problems. Due to the increased intensity of performed financial operations, financial institutions became very vulnerable to operational risks. In many cases, the high level of operational risks is conditioned by IT system failures.