3D Secure For more information, see our 3D Secure guide. What is 3D Secure? How does 3D Secure work? 3D Secure v1: what are the limitations of this version? 3D Secure v2: is the authentication systematic in the customer journey? 3D Secure v2: are all payment transactions concerned? 3D Secure v2 allows an exemption from strong authentication for my customers, how can I benefit from it? 3D Secure v2: what are its advantages and possibilities? How does 3D Secure v2 work until its full deployment? When will 3D Secure v1 be discontinued? How to enable 3D Secure for my MID? How can I check the version of 3D Secure enabled for my MID? What can I do to make my merchant website compatible with 3D Secure v2? 3D Secure v2: how to increase the frictionless rate?