Riley HoltNavy Federal Credit Union Since the CUCARD can only be used as an ATM card, it's not required to have a security number on the back. The pin number you use acts as the card verification.2013-07-16
Can I use my Navy Federal Cucard online?
You would not be able to use the CUCARD for an online purchase. However, we didn't mention earlier - if your card is tied to a checking account, it can also be used for in-store purchases!2013-07-16