15. A method as in claim 13 wherein performing the control operation includes: preventing transmission of the content file to the destination in response to determining that the series of basic parsed content terms, which was extracted from the initial content read from the content file, includes sensitive data.
13. A method as in claim 1 wherein applying the set of predefined transformations from the transformation database to the content from the content source includes: reading initial content from a content file, extracting, from the initial content read from the content file, a series of basic parsed content terms, and creating, as the multiple variants, variant terms from the series of basic parsed content terms.