If your credit card PIN code falls on the most common list or includes a pair or sequence of numbers that can be publicly tied to you, consider changing your pin code now.

Your credit card issuer will typically waive any replacement ... Yes, it's a good practice to change your PIN whenever you receive a new card, especially if the old one was lost or stolen, to ...

Protecting your credit card CVV code Simple measures ... Your CVV doesn't change, but it's good practice to change your PIN regularly and immediately if you suspect it's been compromised.