How Critical Infrastructure Systems Work
Critical infrastructure guide

Cyber Asset Inventory

Why defenders need to know which digital and control assets support essential services.

Safety and security boundary: this page stays at a public, defensive, conceptual level. It does not provide operating procedures for hazardous infrastructure, security-bypass methods, exploit instructions, sabotage guidance or sensitive facility details.

Why this matters

Why defenders need to know which digital and control assets support essential services.

Core system ideas

An inventory links systems and software to operational function and ownership.

Unknown or unsupported assets are difficult to protect and recover.

Inventory detail should be protected appropriately because operational data can itself be sensitive.

What to review

Useful reviews usually combine service criticality, dependencies, condition, capacity, maintenance, alternate arrangements, restoration time and clear ownership rather than relying on one isolated metric.