PearlN04/SimGurdian

South Africa loses over R300M/year to SIM swap scams. This project helps users secure their phone numbers linked to bank accounts. # SimGuardian: SIM Swap Fraud Detection for South Africa A Java-based backend system that detects unauthorized SIM card changes (common in SA banking fraud) and sends real-time SMS alerts to users. Built for MTN/Vodacom networks with: - **SIM ICCID Tracking**: Detects fraudulent swaps via carrier APIs. - **Twilio Integration**: Instant SMS/WhatsApp alerts. - **Spring Boot Backend**: Scalable and secure. **Problem Solved**: South Africa loses over **R300M/year** to SIM swap scams. This project helps users secure their phone numbers linked to bank accounts. **Use Case**: 1. User registers their phone number. 2. System polls carriers for SIM changes. 3. If a swap is detected → SMS alert + account freeze request.