5. A method as in claim 1 wherein performing the evaluation operations includes: performing matching operations which compare each variant to a database of sensitive data and sensitive data patterns to determine whether that variant includes sensitive data.
5. A method as in claim 1 wherein performing the evaluation operations includes: performing matching operations which compare each variant to a database of sensitive data and sensitive data patterns to determine whether that variant includes sensitive data. 6. A method as in claim 5 wherein performing the evaluation operations further includes: based on results of the matching operations, providing each variant with a numerical risk score indicating a likelihood that the variant includes sensitive data.