Bank Fraud Detection & Prevention

SQL analysis identifying fraudulent transaction patterns and high-risk accounts

🎯 Business Context

PioneerTrust Bank processes thousands of daily financial transactions across multiple customer accounts. As transaction volumes grew, the bank faced increased exposure to fraudulent activities, including unusually high-value transactions, repeated flagged behaviour, and geographic anomalies.

💡 Analysis Performed

  • High-value transaction anomaly detection
  • Repeat offender identification
  • Geographic inconsistency detection
  • Transaction type risk assessment
PostgreSQL Fraud Analytics Risk Detection