The mechanism to minimize the information technology component of operational risk arising from the use of automation in the banking institutions of Ukraine is reviewed. It is shown that operational risks are a major cause of loss of significant amounts of money financial institutions. It is considered the infrastructure solutions modern systems of banking automation, revealed their bottlenecks. It is proposed a mechanism dynamically adjustable the information system infrastructure, which allows to increase its availability and accessibility. It is shown the possibility of using a mechanism designed to reduce the functional component of operational risk. Considered solutions have found applying in concrete projects.
operational risk, bank automation system, fault tolerance, redundancy, availability, application server, threetier architecture