Fraud Detection System Architecture
The Billion-Dollar Chess Game
Every second, fraudsters probe payment systems worldwide, testing boundaries with stolen cards, synthetic identities, and coordinated attacks. Stripe blocks $10 billion in fraudulent transactions annually. PayPal’s AI processes 23 million transactions daily, catching fraud patterns invisible to rule-based systems. This isn’t just about blocking bad actors—it’s about building systems that learn, adapt, and stay three moves ahead.
