Description
A start-to-finish guide for realistically measuring cybersecurity risk
In the newly revised How to Measure Anything in Cybersecurity Risk, Second Edition, a pioneering information security professional and a leader in quantitative analysis methods delivers yet another eye-opening text applying the quantitative language of risk analysis to cybersecurity. In the book, the authors demonstrate how to quantify uncertainty and shed light on how to measure seemingly intangible goals. It's a practical guide to improving risk assessment with a straightforward and simple framework.
Advanced methods and detailed advice for a variety of use cases round out the book, which also includes:
- A new "Rapid Risk Audit" for a first quick quantitative risk assessment.
- New research on the real impact of reputation damage
- New Bayesian examples for assessing risk with little data
- New material on simple measurement and estimation, pseudo-random number generators, and advice on combining expert opinion
Dispelling long-held beliefs and myths about information security, How to Measure Anything in Cybersecurity Risk is an essential roadmap for IT security managers, CFOs, risk and compliance professionals, and even statisticians looking for novel new ways to apply quantitative techniques to cybersecurity.
Table of Contents
Foreword for the Second Edition Jack Jones ix
Acknowledgments xiii
Preface xv
Introduction 1
Part I Why Cybersecurity Needs Better Measurements for Risk 5
Chapter 1 The One Patch Most Needed in Cybersecurity 7
Chapter 2 A Measurement Primer for Cybersecurity 21
Chapter 3 The Rapid Risk Audit: Starting With a Simple Quantitative Risk Model 43
Chapter 4 The Single Most Important Measurement in Cybersecurity 73
Chapter 5 Risk Matrices, Lie Factors, Misconceptions, and Other Obstacles to Measuring Risk 101
Part II Evolving the Model of Cybersecurity Risk 133
Chapter 6 Decompose It: Unpacking the Details 135
Chapter 7 Calibrated Estimates: How Much Do You Know Now? 155
Chapter 8 Reducing Uncertainty with Bayesian Methods 183
Chapter 9 Some Powerful Methods Based on Bayes 193
Part III Cybersecurity Risk Management for the Enterprise 231
Chapter 10 Toward Security Metrics Maturity 233
Chapter 11 How Well Are My Security Investments Working Together? 257
Chapter 12 A Call to Action: How to Roll Out Cybersecurity Risk Management 277
Appendix A Selected Distributions 289
Appendix B Guest Contributors 297
Index 327
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