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Metric Pitfalls and Misuse

Monitoring and metrics · 1 min read

How metrics mislead

Metric pitfalls: measuring activity, gaming, vanity metrics, too many, stale or wrong data, no threshold or owner.

Activity versus risk

Activity metricRisk-focused alternative
Scans run per monthCritical vulnerabilities open past deadline
Policies publishedExceptions open beyond expiry
Training sessions heldPhishing simulation report rate

Gaming

When a number becomes a target, people find ways to hit it. Closing tickets without fixing problems, or reclassifying incidents to a lower severity, makes metrics look good while risk stays the same.

Example. A team’s target was closing vulnerabilities within 30 days. Closure rates hit 99%, but sampling found many were closed as “risk accepted” without any approval. The metric was redesigned to count only verified fixes.

Keeping metrics honest

  • Pair each metric with a quality check or sample.
  • Watch for sudden improvements.
  • Keep a small set of meaningful indicators.
  • Retire metrics that don’t drive decisions.

How the exam asks about it

If the question asks…The answer is usually…
All metrics green, but a major incident occurredThe metrics measure the wrong things
Weakness of activity metricsThey don’t show changes in risk
Metric improves suddenlyVerify the data and the behaviour behind it
Too many metricsFocus on a few that drive decisions

In short

  • Metrics that count activity can stay green while risk grows.
  • Targets tied to rewards invite gaming; check that behaviour matches the numbers.
  • Too many metrics hide the important signals.
  • Metrics need owners, thresholds and accurate data to drive action.
  • Retire metrics that no longer support a decision.

Exam traps

  • Reporting the number of policies or training sessions as risk metrics.
  • Celebrating a sharp improvement without checking how it was achieved.
  • Adding more metrics when the real problem is poor ones.
  • Ignoring a metric because it's always red.

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CRISC · Domain 3 · Monitoring and metrics

Metric Pitfalls and Misuse

How risk metrics mislead (measuring activity instead of risk, gaming, vanity metrics, overload and bad data) and how the risk practitioner designs and reads metrics to avoid it.

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