Reducing SMS OTP fraud with Vonage network-powered solutions and Amazon Cognito | Amazon Web Services

What this post added

This post introduces the integration of Vonage network-powered solutions with Amazon Cognito to combat SMS OTP fraud. It details the use of Vonage's Identity Insights (sim_swap, subscriber_match), Verify API with Silent Authentication, and Fraud Defender. The architecture leverages Amazon Cognito's CUSTOM_AUTH flow with three AWS Lambda functions to orchestrate these capabilities, aiming to reduce fraud, improve conversion rates, and decrease support costs.