ImplementationQuestion 59 of 100

Replacing sensitive data such as a credit card number with a non-sensitive substitute value is called:

a.Tokenization
b.Hashing
c.Salting
d.Compression

Explanation

Tokenization swaps sensitive data for a meaningless token, keeping the real value in a secure vault. The token has no exploitable value if stolen. It is widely used to reduce the scope of payment card data handling.

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