Increase security for your online shopping by National Bank of Greece (Cyprus)! NBG CY 3DS is a mobile app dedicated to National Bank of Greece (Cyprus) cardholders, mandatory to be used in online card payments within the European Economic Area. It is compliant with SCA (Strong Customer Authentication) new legislation and certified for 3D-Secure v.2.0 that ensures both an integrated user experience and the highest security standards for online card payments. It is easy to make safe online tra