## Understand Fraud

This section provides comprehensive guidance on identifying, preventing, and mitigating various types of fraud that can impact your business. It covers understanding different fraud typologies, implementing best practices for prevention, and leveraging Stripe's tools and features to protect your transactions and customer accounts.

### Key Topics

*   **Types of Fraud:** Learn about common online fraud schemes, including card testing, account takeovers, and synthetic identity fraud, and understand your liability for each.
*   **Identifying Potential Fraud:** Discover indicators and patterns that can help you detect potentially fraudulent transactions, enabling proactive intervention.
*   **Fraud Prevention Best Practices:** Implement strategies and safeguards to minimize the risk of fraud, such as robust customer verification, transparent communication, and secure data handling.
*   **Card Testing Protection:** Understand the methods used by fraudsters for card testing and implement measures to protect your business from this type of fraudulent activity.
*   **Customer Abuse:** Learn how to identify and prevent various forms of customer abuse, including refund abuse, resale abuse, and trial abuse, which can lead to financial losses and operational strain.
*   **Stripe Radar for Fraud Prevention:** Explore how Stripe Radar, an AI-powered fraud detection system, can help you automatically identify and block high-risk payments, customize fraud controls, and gain insights into fraud trends.
*   **Advanced Fraud Detection:** Utilize developer tools and integrations, such as Stripe.js and mobile SDKs, to enhance fraud detection by capturing device characteristics and user activity.
*   **Account Risk Signals:** Understand how Stripe evaluates connected accounts for fraudulent activity, account delinquency, and fraudulent website operations, enabling you to manage platform risk effectively.
*   **Bot Abuse Prevention:** Detect and prevent bot-driven payments and suspicious behavior during account registration and login to protect your platform and revenue.
*   **Card Verification Checks:** Implement CVC, postal code, and billing address verification to enhance transaction security and identify potentially fraudulent payments.

By thoroughly understanding these topics, you can build a robust fraud prevention strategy, reduce financial losses, and maintain customer trust.