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Modern data centres are engineered for extreme reliability. Redundancy exists across power, cooling, networking, and compute. Yet human error remains the leading contributor to high‑impact outages.
Post‑incident reviews repeatedly show that failures are not caused by insufficient infrastructure, but by human process breakdown under pressure. Operators are required to maintain vigilance without redundancy at the point of control.
Data centres operate continuously. Human physiology does not. At circadian low points, attention and error detection degrade, even in experienced staff.
“You have redundancy for power. You have redundancy for cooling. You have zero redundancy for the operator at the console.”
Traditional RCA ends at “human error.” Critical Human Systems treats cognition as a system component, with measurable load limits and predictable failure modes.
This allows infrastructure teams to address risk before it becomes outage, breach, or irreversible error.