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 C: Data Types Quick Reference
A risk scenario tells you what to measure, but you may not be sure what form that data will take. As you review industry reports, internal documents, incident reports, logs, or interview SMEs, you will be searching for and recording data types, then categorizing them as data values. H are the most common types you’ll encounter:
Data Type | Unit Examples | Example Data Value | Example Unit |
|---|---|---|---|
Binary Indicator | 0/1, true/false, yes/no | Yes | MFA enabled=yes |
Counts | events, incidents, findings, tickets, vulnerabilities | 4 | incidents |
Data Volume | bytes, KB, MB, GB, TB, PB | 50 | GB of exfiltrated data |
Frequency (Over Time) | events/year, incidents/month, breaches/decade, once every three years | 0.33 | events/year |
Monetary | USD, EUR, GBP, JPY, etc. (specify ... |
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