Does the VIABUY Prepaid Mastercard support 3D secure? Aline C. 24 September 2020 08:04 Updated Yes. Your VIABUY card supports Mastercard SecureCode, also known as 3D Secure, adding an extra layer of security to your online card payments.Here’s how it works: Whenever an online shop or service asks for authentication via Mastercard SecureCode, we’ll send a text message with a one-time password to your mobile. Simply enter this password in the "Password" field and proceed. That's it. Related articles I don´t receive SMS, verification code, activation SMS, PIN? How do I unblock the CVV ? There are unauthorized transactions on my card. What should I do? How can I verify my account and upgrade to IDV2 ? How much can I withdraw per day?