With the proliferation of Industrial IoT (IIoT), Industry 4.0, and cloud-based technologies for the purposes of enhanced automation and analysis of large volumes of data, operational technology (OT) managers are faced with the challenge of making industrial networks more accessible for legitimate business drivers without significantly increasing cybersecurity risks.
This balance requires an architecture that provides for secure OT ` network perimeters with controlled data flow, as well as complete network visibility for effective threat detection and response. Some regulated industries are even required to have clearly defined perimeters that use only approved technologies for the transfer of information in/out of the protected network. As a result, cybersecurity stakeholders are tasked with reducing upstream connections (attack surfaces), which might compromise OT networks, while maintaining full visibility into those networks for a comprehensive approach to prevent, detect, and respond to threats.
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