3D Secure is a service from Visa and Mastercard that offers additional protection against unauthorized use of your credit card when shopping online.
Visa also calls the procedure "Verified by Visa".
Mastercard also calls the procedure "Mastercard SecureCode".
For more information and to find out whether your card-issuing bank participates in the 3D Secure AUTHENTICATION procedure, please contact your bank directly. You can often find the necessary information on your bank's website.