Survey: CSOs have no clear overarching policy on camera usage, do no ROI measurement. CSOs would do well to play catchup with video policies and practices. Most companies have a data monitoring policy; video surveillance is less rigorously governed. CSO Surveillance and Monitoring Survey: Use of video surveillance on the rise, but practices seem relatively unsophisticated. More companies have an official policy on data monitoring of employees than have such a policy governing their use of surveillance cameras, survey finds.”]