An OT security architecture that combines Industrial Defender's active asset intelligence with hardware-enforced unidirectional data transmission. Built for NERC CIP, TSA, and NIS2-regulated environments.
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OT operators need continuous OT asset visibility for NERC CIP-007, CIP-010, and CIP-013, but the network architecture prohibits bidirectional OT network connectivity.
Firewalls, jump servers, and VPNs attempt to bridge this gap, but each creates an inbound attack surface that regulators are increasingly scrutinizing.
Many OT incidents involving remote access were an attack through a 'secured' software-controlled connection. Hardware enforcement is categorically different.
IDC — Inside OT Perimeter: Active collection via SSH, Modbus, DNP3, S7. Agentless. Full device access. Operates inside the control network security boundary.
Waterfall Gateway — The Boundary: Hardware-enforced one-way data transmission. No return path – physically impossible. Cannot be misconfigured to allow inbound traffic.
IDCM — Corporate Network: Full asset inventory, configuration baselines, CVE correlation, compliance evidence. No OT access required by enterprise teams.
NERC CIP
CIP-005 ESP Controls | CIP-007 System Security Management | CIP-010 Configuration Management | CIP-013 Supply Chain
TSA Security Directives
Pipeline continuous OT monitoring without remote access risk
NIS2
IEC 62443-aligned IT/OT segmentation for European critical infrastructure
NIST CSF
Identify, Protect, Detect functions supported across full asset lifecycle
Complete Asset Inventory
Continuously updated registry of OT devices: firmware, hardware, vendor, model, communication paths
Configuration Baselines & Change Detection
Every change logged; who, when, and whether it deviated from approved baseline
Vulnerability Mapping
CVEs correlated against your actual OT inventory; exposure mapped to specific devices, not generic advisories
Security Event Correlation
Events plus configuration context; analysts understand the why, not just the alert
Compliance Evidence
Structured reporting for NERC CIP, TSA, NIS2, NIST CSF; audit-ready, not just dashboards
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