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mooga5
Level 7

Help - Excel files - row numbers being concatenated to generate false positive cc#'s or ssns

Has anyone experienced a high number of false positives found by Discover Network DLP when it crawls excel files?  It is somehow concatenating row numbers to create erroneous credit card numbers or social security numbers.  Has anyone found a way to tweak the filters or concepts to avoid generating these false positives?

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2 Replies
bphang
Level 10

Re: Help - Excel files - row numbers being concatenated to generate false positive cc#'s or ssns

You can add some proximity rules to the mix.

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mooga5
Level 7

Re: Help - Excel files - row numbers being concatenated to generate false positive cc#'s or ssns

Hello bphang.  Thank you for your response.  I assume this would be a rule that could be added under the exceptions within the polices?  I see "template" and "keywords".  How would I include a proximity rule?

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