This is the third and final paper in the NOIR White Paper trilogy on Insider Threats. The previous white paper proposed an off-ramp exit solution, which does not yet exist, for those who have crossed the line. Quoting Sun Tzu: "Always leave your enemy an exit." Extending the logic, why not off-ramp exits, meaning robust prevention mechanisms, for BEFORE they cross the line? Security breaches and other insider threat events are the endpoints that indicate...