Legacy application data flow tracking

A method, system, and computer program product for tracking data flow in a given application on a computer are disclosed. In embodiments, the method comprises performing a contextual analysis of the given application to identify specified features; generating contextual tracking data for the given application; the contextual tracking data moving through the given application; tracing the movement of the contextual tracking data through the given application; generating specified information about the contextual tracking data and the movement of the contextual tracking data through the given application; recording a tracing log including this specified information; and creating a data flow sequence for the given application from the information in the tracing log. In embodiments of the invention, a data tracking software program is used for performing the contextual analysis of the given application and for generating the contextual tracking data.