1. A method comprising: receiving original image data obtained based on monitoring a retail environment, the original image data capturing at least private information and occurrence of activity in the retail environment; and applying at least one transform to the original image data to produce transformed image data, application of the at least one transform sufficiently distorting portions of the original image data to remove the private information, the transformed image data including the distorted portions to prevent access to the private information, the distorted portions retaining sufficient image detail from the original image data to discern occurrence of the activity in the retail environment.