🛡️ CardGuard AI
Credit Card Payment Module
🔒 Pay Securely
🔍 Test Cards:
✅ Valid: 4111111111111111 (Visa)
✅ Valid: 5555555555554444 (Mastercard)
❌ Invalid: 1234567890123456 (Will pass - BUG!)
⚠ PCI Compliance: NOT VALIDATED