How network segmentation strengthens visibility in OT networks

How network segmentation can strengthen visibility in OT networks

A firewall serves as a key defensive mechanism for OT networks, monitoring, blocking, and alerting against threats while enabling necessary data flow. However, encrypted traffic often bypasses its inspection capabilities, revealing its limitations. This is why firewalls alone are insufficient and not the best defense for protecting critical OT environments. Learn the role of network segmentation and visibility in OT networks in this article by Chris Walcutt in Help Net Security.