March 2026
Intermediate
449 pages
9h 28m
English
Content preview from From Heatmaps to Histograms: A Practical Guide to Cyber Risk QuantificationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Appendix D: Data Source Evaluation Framework
Important: This framework provides guidance, not rigid rules. Use your professional judgment to adapt these range adjustments based on your specific organizational context and stakeholder requirements.
Quality Factor | Question | Evaluation Guidance | Range Adjustment |
|---|---|---|---|
Averaged | Does this single average hide the real distribution? | Check if ranges, quartiles, or percentiles are shown and if data is broken down by severity/type. Red flags: Only global means reported, “average breach cost is $4.5M” with no range, different incident types lumped together. | Convert to range |
Biased | Who benefits if I believe this number? | Assess funding sources and potential conflicts of interest. Red flags: Vendor-sponsored studies promoting ... |
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