What we secure
Whether you are integrating M-Pesa into e-commerce, a POS system, a SACCO platform or a mobile app — De4sec reviews and hardens the integration before go-live.
✓M-Pesa Daraja API security review — authentication and credential security
✓STK Push integration testing — error handling and timeout protection
✓Webhook validation — preventing spoofed payment notifications
✓API key management — rotation policy and secure storage
✓Transaction reconciliation — automated mismatch detection
✓Access control review — who can initiate, approve or reverse transactions
✓Fraud detection rules — velocity checks, threshold alerts
✓KDPA alignment — data handling for transaction records
✓Pre-launch penetration testing for payment flows
✓Post-launch monitoring — API logs and anomaly alerts
Common M-Pesa vulnerabilities
✓Hardcoded API credentials in source code
✓No webhook signature validation — anyone can fake a payment
✓No rate limiting — API abuse exposure
✓Transaction amounts not validated server-side
✓No reconciliation — fraud goes undetected
✓Admin access not restricted — too many people can reverse transactions
De4sec works with your development team or conducts the security review independently. Written report with findings and remediation steps provided.
