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Masking sensitive fields during display

We want to mask some sensitive fields such as bank account number, social security number, credit card number etc during display based on an authority check. The displayed values, if not authorized, may look something like *****1234 or 1234***** without fully displaying the value.

I have seen some options to do that for credit card numbers but what are our options to do that for any such sensitive fields? Do we have to go for third party tools? If so, do they support only certain fields? Also, we want to do this at the domain level, so that no matter which transaction one of these sensitive fields is displayed on, we want this authority check and masking to happen. I looked for conversion routine option, but not all the domains have conversion routines attached to them.

Encryption of the data at the database level is something we want to keep as last resort. We are on ECC 6.0 version.

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