Security of credit card payments Does the EPO use 3-D Secure authentication for credit card transactions? Home Service & support Frequently Asked Questions (FAQ) MyEPO services Central Fee Payment Security of credit card payments 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