What is 3D Secure ?
3D Secure is an additional security layer for online credit card shopping
in order to prevent you from being a victim of credit card fraud.
You need register with your credit card issuer prior to using 3D Secure.
When using a credit card with 3D Secure service, please enter the password when you pay.
For details, please refer to the following link.
If you have any questions, please contact your card issuer.