Security of credit card payments Does the EPO use 3-D Secure authentication for credit card transactions? https://www.epo.org/en/node/does-epo-use-3 Home Service & Support Frequently Asked Questions (FAQ) MyEPO Services Does The EPO Use 3-D Secure Authentication For Credit Card Transactions? Facebook X Linkedin Email Does the EPO use 3-D Secure authentication for credit card transactions? Yes. The EPO uses 3-D Secure for credit card transactions (as of 13.9.2019). Category Security of credit card payments Go to FAQ overview