The threat of SMS Pumping Fraud is a growing concern for businesses, resulting in significant revenue loss and trust erosion. To combat this issue, Twilio has developed Verify Fraud Guard, a powerful machine learning-based defense mechanism that analyzes customer traffic patterns to block suspicious SMS OTPs. Since its pilot launch, Fraud Guard has successfully blocked 141 million fraudulent activities, saving customers $30 million in costs associated with SMS Pumping Fraud. The feature offers minimal false positives, allowing businesses to adjust the blocking rate based on their needs, and boasts remarkable precision, making it a true hero in the battle against SMS Pumping fraud.