6. The method of claim 5 , wherein identifying secondary information included in the content of the web page comprises, for the sub-portion of content in the web page that is identified as including numbers that match subset data and length data of at least one of the credit card templates: comparing text within a predefined text distance of the sub-portion of content to a plurality of keywords associated with the credit card templates.
6. The method of claim 5 , wherein identifying secondary information included in the content of the web page comprises, for the sub-portion of content in the web page that is identified as including numbers that match subset data and length data of at least one of the credit card templates: comparing text within a predefined text distance of the sub-portion of content to a plurality of keywords associated with the credit card templates. 7. The method of claim 6 , wherein: each of the plurality of keywords has a corresponding component risk score; and determining a risk score from the PII type information and the secondary information comprises determining a risk score based on the component risk scores of keywords matching the secondary information.