DOUGLAS W. HUBBARD is the inventor of the Applied Information Economics (AIE) method and the founder of Hubbard Decision Research. He is an internationally recognized expert in the area of decision analysis. RICHARD SEIERSEN is the Chief Risk Officer of Resilience, a cyberinsurance firm. He is the former Chief Information Security Officer at LendingClub, Twilio, and GE Healthcare and Co-founder of the cloud native security company Soluble sold to Lacework in 2021.
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