Java Fraud Detection CLI Tool – Rule-Based Transaction Analyzer

Tired of manually reviewing transactions for fraud? This lightweight Java-based CLI tool helps detect fraudulent behavior using simple rule logic. Fast, offline, and built for developers and security teams who want full control.

What This Tool Does:

• Analyzes financial transactions from CSV files
• Applies custom fraud rules defined in a JSON file
• Triggers alerts when suspicious conditions are met
• Works completely offline — no internet required
• Generates clear, readable output for every flagged transaction

Use Cases:

• Financial data security audits
• SOC teams and analysts needing fast triage
• Small businesses tracking suspicious user behavior
• FinTech developers needing rule-based fraud detection

System Requirements:

• Java 17 or higher
• Runs on Windows, Linux, or macOS
• Command-line access (Terminal or CMD)