Safety
Keep cyber controls subordinate to physical safety requirements, with approved maintenance and emergency paths that do not require unsafe workarounds during an incident.
Gromnii designs security architecture for connected devices, industrial networks and operational technology.
Use OT and IoT security when industrial devices, sensors, gateways or control networks connect to enterprise or remote-access systems. Controls must account for safety, legacy protocols, limited patching options and the high cost of interrupting physical operations.
This reference shows one possible OT and IoT Security arrangement. The actual design depends on the systems, constraints and controls involved.
Keep cyber controls subordinate to physical safety requirements, with approved maintenance and emergency paths that do not require unsafe workarounds during an incident.
Protect devices and controllers that cannot support modern security by using segmentation, gateways, monitoring and tightly limited management paths.
Apply controls in ways that preserve the uptime and safe state of equipment that cannot be restarted, patched or isolated casually.
Broker vendor and engineer access through controlled paths with time limits, strong authentication and activity logging instead of persistent direct connections.
Link Asset visibility to named equipment, signals and operating states so the information has physical context.
Separate control zones, supervisory systems, engineering access and enterprise connections so a compromise in one area does not provide unrestricted movement into physical operations.
Create, change and remove Secure remote access through an owned lifecycle tied to the identity source.
Require stronger verification or approval when device identity and lifecycle controls can expose sensitive data or change critical systems.
Separate monitoring and advisory functions in OT / IoT monitoring from commands that can change physical operation.
Identify connected devices, protocols and communication paths so unknown equipment does not remain outside security monitoring.
Segment operational zones and control remote access so a compromise in IT or a device does not freely traverse the industrial environment.
Prepare containment and recovery procedures that protect both cybersecurity and physical operating continuity.
Describe what OT and IoT Security should change, the systems it must work with and the constraints that matter.