Cybersecurity Exposure in Connected Industrial Operations
Every sensor added to the operational network is also a door. Most industrial security programs were designed before the building had this many of them.
A Perimeter That No Longer Exists
Industrial operations that have layered computer vision, predictive maintenance sensors, and connected equipment onto existing infrastructure have, often without a corresponding security review, expanded the number of network entry points well beyond what the original security architecture assumed. The perimeter model most legacy security programs were built around no longer describes the actual network.
“A compromised sensor on a production line can halt physical output in a manner a compromised office laptop cannot.”
Operational Technology Is a Different Problem Than IT
Operational technology security constitutes a genuinely distinct discipline in its own right, separate from IT security. A compromised sensor on a production line can halt physical output in a manner a compromised office laptop cannot, and OT systems frequently cannot tolerate the same patching cadence or downtime that IT security practice treats as routine.
Segmentation as the Practical Starting Point
Network segmentation, isolating operational technology from the broader corporate network and from the internet-facing systems that introduced the new entry points, constitutes the practical starting point for most operators, ahead of more sophisticated monitoring investments that presuppose a segmentation foundation already in place.
- Review network architecture whenever new connected sensors or equipment are added
- Treat operational technology security as a distinct discipline from IT security
- Prioritize network segmentation as the foundation ahead of more sophisticated monitoring investment
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