Enhancing Accuracy through Statistical Analysis

A number of Data Types, such as credit card numbers, have an Enhance accuracy through statistical analysis option on their General Properties page.

Credit cards like Visa and Mastercard have sixteen digit numbers arranged in four groups of four. While you scan for this Data TypeClosed Classification of data in a Check Point Security Policy for the Content Awareness Software Blade., all sixteen digit numbers in the data that match the Luhn algorithm are identified as credit card numbers.

The sixteen digits can represent not a credit card number. The sixteen digits can represent spare part numbers, an ordering or sales code. The Enhance accuracy option applies statistical analysis to increase the accuracy of identifying specified Data Types, for example credit card numbers.

To enhance accuracy through statistical analysis:

  1. In Data Loss Prevention > Data Types select a Data Type that represents numerical data.

  2. Open the Data Type to edit it.

  3. On the General Properties page, select Enhance accuracy through statistical analysis.

  4. Click OK.

    Note - Enabling statistical analysis does not impact gateway performance.