What CISOs need to tell the board about zero trust in OT: A 90-day communication and action plan

▤ Summary

This article explains how CISOs should communicate zero trust to boards in OT-heavy environments. It argues that pure IT-style zero trust models do not fit pipeline and other industrial operations, so leaders need a practical, compliance-driven approach. The article lays out a 90-day plan that starts with mapping assets and identities at the IT/OT boundary, then tightening vendor remote access, and finally building a simple maturity scorecard. It ties these actions to TSA directives, CISA guidance, and NERC CIP-013 so leaders can show progress while reducing operational risk.

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$250M to $500M