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https://issues.apache.org/jira/browse/RANGER-5144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Abhishek Jain updated RANGER-5144:
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Description:
The data secrecy is exposed by displaying the lowercase/uppercase pattern when
the column masking is applied.
Each uppercase letter in a string is masked with 'X' (capital 'X') and each
lowercase letter is masked with 'x' (small 'x') which exposes the datapattern
in that column.
{_}*Example*{_}:
{code:java}
ABHIshek -> XXXXxxxx
abhishek -> xxxxxxxx
{code}
The masking rule should be uniform for both lower/upper case letters.
was:
The data secrecy is exposed by displaying the lowercase/uppercase pattern when
the column masking is applied.
Each uppercase letter in a string is masked with 'X' (capital 'X') and each
lowercase letter is masked with 'x' (small 'x') which exposes the datapattern
in that column.
{_}*Example*{_}:
{code:java}
ABHIshek -> XXXXxxxx
abhishek -> xxxxxxxx
{code}
The masking rule should be uniform for both lower/upper case letters.
> [Column Masking] : Exposing Data Secrecy by Displaying lowercase/uppercase
> patterns in Masked Column Data
> ---------------------------------------------------------------------------------------------------------
>
> Key: RANGER-5144
> URL: https://issues.apache.org/jira/browse/RANGER-5144
> Project: Ranger
> Issue Type: Bug
> Components: Ranger
> Affects Versions: 2.4.0
> Reporter: Abhishek Jain
> Priority: Major
>
> The data secrecy is exposed by displaying the lowercase/uppercase pattern
> when the column masking is applied.
> Each uppercase letter in a string is masked with 'X' (capital 'X') and each
> lowercase letter is masked with 'x' (small 'x') which exposes the datapattern
> in that column.
> {_}*Example*{_}:
> {code:java}
> ABHIshek -> XXXXxxxx
> abhishek -> xxxxxxxx
> {code}
> The masking rule should be uniform for both lower/upper case letters.
>
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