Kenexis Consulting Corporation performed a third-party validation to assess the capabilities of the Owl data diodes against the requirements in the ANSI/ISA-62443-3-3-2013 standard. An international standard, ISA-62443-3-3 provides detailed technical requirements regarding cybersecurity controls for industrial control systems (ICS). The validation exercise proved that the Owl OPDS system is capable of securing the network perimeter between the ICS and corporate network.