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How do the Financial lexicons work?

The Financial Lexicons consist of a set of 3 lexicons: financial terms, identifiers and credit card numbers. These lexicon files are designed to work in combination to recognize “Nonpublic Personally Identifiable Financial Information” (PFI) as defined in the Gramm-Leach-Bliley Act (GLBA). The lexicons work together to recognize the intersection of financial identifiers, such as account numbers or loan numbers AND financial terms, such as balance transfer, refinance or deposit.

The Credit Card Number Lexicon can identify most credit card numbers and bank card numbers with matching technology that recognizes the identifiable patterns of numbers that all major credit card companies and banks use.  Major credit card companies and banks use standard numbering sequences that are unique to each brand of card, such as Visa, MasterCard, or Discover.  

The Personal Financial Identifier Lexicon scans for a variety of terms, including:

  • Vehicle Identification Numbers
  • Account Numbers
  • Certificate Numbers
  • Loan Numbers
  • Policy Numbers
  • Customer Numbers

The Personal Financial Terms Lexicon scans for a variety of terms, including:

  • Banking Terms
  • Investment Terms
  • Mortgage Terms
  • General Financial Terms

The Credit Card Number Lexicon scans for a variety of card numbers, including:

  • MasterCard formats
  • Visa formats
  • American Express formats
  • Carte Blanche / Diners Club formats
  • Discover formats
  • Enroute formats
  • JCB formats
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  1. Carlos Rios

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