The Gmail Fraud Detection System is a fully hosted SaaS platform that continuously monitors Gmail inboxes to identify phishing, scam, and fraudulent emails. It uses a hybrid detection approach combining fast, rule-based analysis with optional AI-powered inspection—to deliver high accuracy while keeping operational costs low. The platform is designed with enterprise-grade access control, manual user approval, and per- user AI cost visibility, making it safe, scalable, and financially predictable. It serves both individual users and organizations that want proactive inbox protection without deploying or managing infrastructure.