Announcing Cloudflare Fraud Detection

Introduces Cloudflare Fraud Detection, a new product designed to detect and categorize various types of online fraud (fake account creation, account takeover, card testing, expediting). It leverages machine learning models and threat intelligence, integrates with existing Cloudflare security products via Firewall Rules, and offers flexible response actions (block, rate-limit, challenge, or send signals via headers). Specific techniques for detecting fake account creation (using signup data and threat intelligence) and expediting (using encrypted tokens to track user flow) are detailed.