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Question 177 - CIPT discussion
There are two groups of users. In a company, where one group Is allowed to see credit card numbers, while the other group Is not. Both are accessing the data through the same application. The most effective and efficient way to achieve this would be?
Have two copies of the data, one copy where the credit card numbers are obfuscated, while the other copy has them in the clear. Serve up from the appropriate copy depending on the user accessing it.
Have the data encrypted at rest, and selectively decrypt It for the users who have the rights to see it.
Obfuscate the credit card numbers whenever a user who does not have the right to see them accesses the data.
Drop credit card numbers altogether whenever a user who does not have the right to see them accesses the data.
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