Topic starter
08/02/2026 10:19 pm
TL;DR: IoT and OT devices are expanding faster than many security models can govern, and the article argues that privileged access, visibility, and unified IAM controls are now central to resilience across manufacturing, healthcare, energy, and transportation, according to CyberArk. The security gap is less about device count than about credentialed control paths that remain poorly monitored and hard to contain.
Editorial analysis by NHI Mgmt Group, based on content published by CyberArk: “How to Protect Your IoT and OT Devices from Cyberthreats”.
Key questions
Q: What breaks when privileged access is not governed in IoT and OT environments?
A: When privileged access is not governed, attackers or insiders can control devices, alter processes and disrupt operations through a single elevated path.
Q: Why do IoT and OT environments need different IAM controls than standard IT systems?
A: IoT and OT environments often cannot tolerate the assumptions built into standard IT IAM, such as frequent reauthentication, rapid patching and user-centric administration.
Q: How do you know whether privileged access governance is actually working?
A: Look for reduced standing assignments, shorter activation periods aligned to task duration, and access reviews that routinely remove unused eligibility.
Practitioner guidance
- Map privileged device functions Inventory which IoT and OT actions require elevated access, then classify those paths by operational impact, approval owner and revocation point.
- Unify IAM across IT and OT Extend identity governance to maintenance accounts, vendor access and operational admin paths so reviews and offboarding cover the full environment.
- Instrument privileged sessions Capture session activity, command use and anomalous access patterns so operations teams can distinguish routine maintenance from misuse.
Bottom line: IoT and OT risk is concentrated in privileged access paths, because elevated credentials can directly control critical processes and create outsized operational impact.
Explore further
View Full Forum → | NHI Foundation Course → | Our Services → | Read the full analysis →
This topic was modified 4 days ago by NHI Mgmt Group
08/10/2026 5:17 pm
Privileged access is the real resilience boundary in connected operations. In IoT and OT environments, the weak point is rarely the device alone. It is the elevated credential path that turns a maintenance action into process control, and a process control into operational disruption. Practitioners should treat PAM as part of resilience engineering, not a separate access-control layer.
A question worth separating out:
Q: What should organisations do if OT access is still siloed from enterprise IAM?
A: They should treat siloed access as a resilience gap, not an administrative detail. The immediate goal is to bring maintenance accounts, vendor access and operational administrators into the same governance process so approvals, monitoring and revocation are consistent across environments. That reduces blind spots before the next operational incident exposes them.
👉 Read our full editorial: IoT and ot privileged access remains the weak point in resilience