Segmentation Works for OT If Operators Are Paying Attention

The article discusses persistent shortcomings in OT network segmentation—both traditional and microsegmentation—highlighting how user convenience, vendor limitations, legacy systems, and multihomed devices undermine isolation efforts; it warns that attackers exploit these gaps, cites firewall vendor compromises, and echoes CISA guidance to treat segmentation as an ongoing, enforceable policy rather than a one-time project.