Corporations and CISOs are improving security by implementing zero trustin their IT networks. But, less consideration has been given to zero trustin operational technology (OT) environments because of concerns relatedto legacy equipment, lack of security controls, operational or productionconcerns, and safety constraints. Although most of these concerns are valid,collaboration and discussion between IT and OT security teams about actualbarriers and boundaries can unlock apprehensions so that organizations caninclude OT networks in their comprehensive zero-trust security strategies.