The IS risk analysis based on a business model
Information and Management
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As the financial industry has aggressively implemented ICT (Information and Communication Technology) into their operations, the speed, volume and service areas have also increased dramatically. At the same time, the frequency of information system (IS) related failures have increased and vulnerability has been emerging in the financial industry as one of the critical infrastructure of our society. The paper will define IS risks in the financial industry and discuss designing risk management framework with some indicators through some case studies on the past major information systems failures in the Japanese financial industry, such as the system integration failure due to mega-banks merger in 2002 that caused major service disruption in their settlement and retail payments, the nationwide ATM network failure in 2004 that caused a one-month period of intermittent service disruptions, and the largest stock exchange disruption in 2005 that caused a half-day market closure. The framework defines IS risks with primary risk area (system/operational/ management), risk origin (external, internal), risk nature (static, dynamic), indicator criteria (quantitative, qualitative), and monitoring approach (periodic, event-driven, real-time).