Lectora Test answers available to users?

Hi. We are trying to use Lectora to provide online quizzes for students who purchase textbooks. We would like these quizzes to be graded and for those grades to be store in a database on our server so that they can be displayed to students and instructors. We were happy to learn that we could do this by setting the Test in the Lectora title to POST the results to an external file which could then store the variables in a database. However, when we tried this out we found that the XML file containing the test data is being cached in the user's browser and can easily be accessed by something like the Firebug add-on in Firefox. Does anyone know if Lectora allows for a more secure way of exporting test results? I would assume that this has come up with other Lectora users / Trivantis clients in the past. Maybe we're just missing something, or there is a way to configure the test settings to not allow this?

P.S. We are not using an LMS for this content and are not using SCORM... just publishing to HTML. Currently using Lectora version 9.

Thanks for any help you can provide.

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