How Does 3D Secure Work?

3D Secure helps protect you from online card fraud and is automatically activated when you activate your card in the app. No additional passwords are required.

Whenever you make an online payment using your Mastercard, 3D Secure will confirm the transaction with you within 5 minutes via a push message. If you don't see the message, try the troubleshooting tips we've provided.

If you're making a purchase on your smartphone, you'll see a pending transaction in the app. Tap the bell icon, and the push message will appear for you to confirm and complete the purchase. After that, return to the merchant's website, where you should see confirmation of your successful transaction.