# Fraud and Risk Learn how to manage fraud and risk when processing payments. Finix offers several solutions to mitigate the risk of fraud and minimize chargeback losses. We strongly recommend including a Fraud Session ID with every payment you process. Our Fraud Detection API helps secure payments by detecting and stopping potentially fraudulent transactions performed by bad actors. ## Learn More 3D Secure Authentication Learn about 3D Secure, another layer of security. Disabling Instruments Disable Payment Instruments that are no longer being used. Fraud Detection Use Finix's Fraud Detection API to block fraudulent transactions. Handling Declined Payments Learn why some payments fail and how to handle declines. Risk Rules / Card Checks Learn how to verify cardholder details to mitigate fraud.