Fraud Detection and Management(1) ◆App| ications widely used in health care, retail, credit card services, telecommunications(phone card fraud), etc ◆ Approach use historical data to build models of fraudulent behavior and use data mining to help identify similar instances20 Fraud Detection and Management (1) Applications ◼ widely used in health care, retail, credit card services, telecommunications (phone card fraud), etc. Approach ◼ use historical data to build models of fraudulent behavior and use data mining to help identify similar instances