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Knowledge check

CVV/CVC: the three digits that never survive an authorization

5 questions testing what you just read — no login, no tracking, just immediate feedback.

Question 1 of 5

How is a CVV actually generated?

Question 2 of 5

What does decimalization do in the CVV algorithm?

Question 3 of 5

Why don't CVV1, CVV2, and iCVV validate against each other, even though they use the identical formula and the same CVK?

Question 4 of 5

What does PCI DSS require regarding CVV2 storage after authorization?

Question 5 of 5

Why is this a stricter rule than how PCI DSS treats PAN storage?

0 / 5 answered