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dev.sec-incident-mttr Calculator
Calculates Mean Time to Detect (MTTD) and Mean Time to Repair (MTTR) for incidents in a security engineering and compliance context. Detection time is often the largest MTTR component — synthetic monitoring detects issues in 1–5 minutes vs customer reports which arrive 15–60 minutes after onset.
Inputs
P1
Reference formula or conversion factor shown for context.
P1H
Reference formula or conversion factor shown for context.
P2
Reference formula or conversion factor shown for context.
P2H
Reference formula or conversion factor shown for context.
Results
P1 downtime/mo
The computed duration or time value.
P2 downtime/mo
The computed duration or time value.
total incident hours
The result expressed in hours. Divide by 24 to convert to days.
availability impact
The reduction in overall system availability caused by this failure mode or downtime event.