In an aspect, a system for dynamic data injection is presented. A system includes a computing device. A computing device is configured to receive at least a digital media file. A digital media file includes at least a segment comprising a plurality of display quanta. A computing device is configured to select a portion of at least a segment of at least a digital media file as a function of a randomization engine. A computing device is configured to encode identifying data in a selected portion of at least a segment. Encoding includes modifying at least a display quanta of a plurality of display quanta of a selected portion of at least a segment. A computing device is configured to display at least a segment to a user.