Likelihood × consequence · ownership · treatment

Critical Knowledge and Risk

Critical knowledge is knowledge whose absence, failure, inaccuracy, or unavailability would materially affect an important outcome, obligation, decision, or capability.

Knowledge risk reflects both the consequence of that failure and the likelihood that the knowledge will be unavailable, inadequate, obsolete, or inaccessible when needed. Knowledge-loss risk is one form of this broader exposure. Risk management supplies the criteria, ownership, appetite, review, and treatment discipline; this page applies that foundation to organizational knowledge.

Interactive model

Assess the exposure, treat it, and monitor what remains.

Select a scenario, review the evidence, rate likelihood and consequence, then assign treatments and ownership to reveal residual risk.

Critical knowledge

Knowledge whose absence, failure, inaccuracy, or unavailability would materially affect an important outcome, obligation, decision, or capability.

Knowledge risk

The possibility that knowledge will be unavailable, inadequate, obsolete, or inaccessible when needed, considered with the consequence of that failure.

Likelihood × Consequence = Knowledge Risk
1 · Define the risk eventConcrete scenarios

Risk statementIf the only engineer with restart-diagnostic knowledge is unavailable during an outage, recovery may be delayed and equipment damage may occur.

2 · Review supporting evidenceConditions explain—not calculate—the rating
Consequence evidenceObjectives and continuitySafety, legal, or regulatory effectOperational or customer effectTime sensitivity
Likelihood evidenceConcentration and availabilityDocumentation qualitySuccessor readinessRate of change and substitutability
One holder increases concentration.Retirement within 12 months increases near-term unavailability.No practiced successor increases likelihood.Equipment damage makes consequence severe.
3–4 · Rate and place current riskIllustrative criteria and thresholds
Likelihood →Consequence →
1Insignificant2Minor3Moderate4Major5Severe
5Almost Certain4Likely3Possible2Unlikely1Rare
LowModerateHighVery high
5 · Select proportionate treatmentMost KM treatments reduce likelihood more than consequence.

Very high current risk → Very high residual risk. Select a treatment to show its explained effect; current and residual markers overlap until exposure changes.

6–8 · Assign, monitor, reviewAssessment becomes managed action
Current risk Likely × Severe · Very highResidual / target risk Likely × Severe · Very highReview 2026-11-30

The goal is not to eliminate every risk. It is to direct limited KM effort toward knowledge whose loss or failure would matter most. Organizations define their own criteria, appetite, tolerances, and treatment authority; this heat map is illustrative.

What this page establishes

Identifying knowledge risk is only the beginning. Assign an owner, choose a treatment, and monitor whether the exposure actually falls.

Once a treatment is in place, how do we know that knowledge is more available, resilient, and useful than it was before?