A driver. A driver is basicly and application or component that helps communicate between you computer and a device(a mouse, keyboard, printer etc.) You may have know when you get a new mouse and connect it up, Windows always tries to find a driver and download it.
Abby has received a request for a data set of actual data for testing a new app that is being developed. She does not want the sensitive elements of the data to be exposed. What technology should she use?