How Financial Lexicons Work
Posted by Carlos Rios on 16 November 2017 06:32 PM

Personal financial lexicons consist of a set of three lexicons: financial terms, financial 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 social security numbers, 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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