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Practical Doomsday: A User's Guide to the End of the World

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Disasters happen. Be prepared. Here’s how.

As a leading security engineer, Michal Zalewski has spent his career methodically anticipating and planning for cyberattacks. In Practical Doomsday, Zalewski applies the same thoughtful, rational approach to preparing for disasters of all kinds. By sharing his research, advice, and a healthy dose of common sense, he’ll help you rest easy knowing you have a plan for the worst—even if the worst never comes.

The book outlines a level-headed model for evaluating risks, one that weighs the probability of scenarios against the cost of preparing for them. You’ll learn to apply that model to the whole spectrum of potential crises, from personal hardships like job loss or a kitchen fire, to large-scale natural disasters and industrial accidents, to recurring pop-culture fears like all-out nuclear war. You’ll then explore how basic lifestyle adjustments, such as maintaining a robust rainy-day fund, protecting yourself online, and fostering good relationships with your neighbors, can boost your readiness for a wide range of situations. You’ll also take a no-nonsense look at the supplies and equipment essential to surviving sudden catastrophes, like prolonged power outages or devastating storms, and examine the merits and legal implications of different self-defense strategies.

You’ll learn:
  • How to identify and meaningfully assess risks in your life, then develop strategies for managing them
  • Ways to build up and diversify a robust financial safety net—a key component of nearly all effective preparedness strategies
  • How to adapt your prep plans to a variety of situations, from shelter-in-place scenarios to evacuations by car or on foot
  • Sensible approaches to stockpiling food, water, and other essentials, along with recommendations on what supplies are actually worth having

  • Disasters happen, but they don’t have to dominate your life. Practical Doomsday will help you plan ahead, so you can stop worrying about what tomorrow may bring and start enjoying your life today.

    ISBN-13: 9781718502123

    Media Type: Paperback

    Publisher: No Starch Press

    Publication Date: 01-11-2022

    Pages: 250

    Product Dimensions: 9.10(w) x 7.00(h) x 0.90(d)

    Michal Zalewski has been actively involved in disaster preparedness for more than a decade, including the publication of a popular 2015 guide titled Disaster Planning for Regular Folks. By day, he is an accomplished security researcher who has been working in information security since the late 1990s, helping companies map out and manage risk in the digital domain. He is the author of two classic security books, The Tangled Web and Silence on the Wire (both No Starch Press). He spent 11 years at Google building its product security program before joining Snap Inc. as a VP of Security & Privacy Engineering. Zalewski grew up in Poland under communist rule, lived through the collapse of the Soviet Bloc, and moved to the US in 2001.

    Table of Contents

    Preface xvii

    Part I Thinking About Risk 1

    1 A Method to the Madness 3

    A Method for Reducing Complexity 4

    A Model for Quantifying Risk 5

    The Challenge of Crony Beliefs 6

    2 The Specter of Humdrum Calamities 9

    Unemployment and Insolvency 10

    Loss of Shelter 11

    Loss of Basic Utilities or Transportation 12

    Unintentional Injury 12

    Theft, Harassment, and Intentional Harm 13

    Illness and Death 14

    But Wait, There's More! 15

    3 Exploring Large-Scale Risks 17

    Natural Disasters 18

    Industrial Accidents 19

    Social Unrest and War 20

    Economic Crises 22

    Pandemics 25

    Terrorism 26

    4 Oh No, Zombies! 29

    Uniquely Virulent and Deadly Diseases 32

    Runaway Climate Change 33

    Other Planetary-Scale Natural Disasters 34

    Exotic Physics and Miscellaneous Space Phenomena 35

    Unimpeded Rise of Totalitarian Regimes 36

    Global Thermonuclear War 39

    Nuclear Electromagnetic Pulse 40

    Ghosts, Bigfoot, and the Coming Robot Apocalypse 41

    The Scourge of Extraterrestrials 43

    Looking Beyond Doomsday 44

    Part II The Prepared Lifestyle 45

    5 Mind Over Matter 47

    6 Building a Rainy-Day Fund 49

    Finding Ways to Save 50

    Compartmentalizing the Funds 52

    Dealing with Debt 53

    Knowing Where to Stop 54

    7 Safeguarding Your Savings 57

    The History of Currencies 58

    Debt as a Currency 59

    The Age of Coin 60

    Fractional Reserve Banking and Fiat Money 63

    Cryptocurrencies 66

    Revisiting Dangers to Liquidity and Capital 68

    Loss of Access to Bank Accounts 68

    Adverse Judgments 69

    Gradual Inflation 70

    Hyperinflation 71

    Confiscation of Wealth 72

    The (Monetary) Zombie Apocalypse 73

    Methods for Mitigating Risk 74

    Physical Cash 75

    Diversified Bank Deposits 76

    Bonds 77

    Simple Currency Hedges 78

    Equities 79

    Stock Options and Commodity Futures Options 81

    Precious Metals 83

    Real Estate 85

    Physical Collectibles 86

    Cryptocurrencies and NFTs 87

    Insurance Policies and Separation of Assets 87

    Portfolio Design Strategies 88

    8 Engineering a Doomsday-Proof Career 91

    9 Staying Alive 95

    Defensive Driving 96

    Working at Heights 98

    The Enemy in the Medicine Cabinet 99

    Alcohol and Recreational Drugs 100

    Workshop and Power Tool Safety 101

    Fireproofing the Homestead 103

    Other Dangers in and Around the Home 104

    10 Protecting Oneself in the Digital and Physical Realm 105

    Dealing with Online Fraud 106

    Maintaining Privacy on the Internet 109

    Minimizing the Impact of Burglaries 111

    Responding to Muggings and Home Invasions 112

    Fending Off Pickpockets 113

    A Word on Kindness 114

    11 Getting in Shape 115

    The Folly of Miracle Cures 116

    Establishing a "No Diet" Diet 117

    Calorie Restriction vs. Exercise 117

    The Importance of the Long Haul 118

    12 Building a Community 119

    13 Hatching a Plan 121

    Jotting Down Scenarios of Concern 122

    Modeling Sequences of Events 122

    Defining Basic Strategies 123

    Identifying Indicators and Decision Points 123

    Planning to Fail 124

    Facing the Final Contingency 124

    From Plans to Supplies 125

    Part III The Essentials 127

    14 The Discreet Charm of the Bulletproof Vest 129

    15 Water 131

    Estimating Water Needs 132

    Household Storage Options 133

    Hydration on the Road 134

    Long-Term Storage Tips 135

    16 Nourishment 137

    Estimating Bulk Calorie Needs 138

    Nutrition in the Long Haul 139

    Picking a Storage Strategy 140

    Keeping Stockpiled Foods Fresh 141

    Stocking the Doomsday Pantry 142

    Specialty Survival Foods 143

    Backyard Gardens as a Source of Food 144

    17 Sanitation, Hygiene, and Health 145

    Waste Disposal 145

    Containment of Flooding and Leaks 147

    Dishwashing, Laundry, and Other Chores 148

    Personal Hygiene 149

    Medication and Medical Supplies 149

    Medical Skills 151

    18 Fuel and Electricity 153

    Keeping the Lights On 154

    Powering Small Electronics 155

    Staying Warm 156

    Staying Cool 157

    Cooking 158

    Getting Around 158

    Looking Beyond Short-Term Outages 159

    19 Household and Vehicle Tools 161

    Storm Cleanup Equipment 162

    Dealing with Car Malfunctions 163

    Other Household Gear 164

    20 Evacuation Gear 165

    General Preparations 166

    Setting Up a Camp 167

    Bad Weather Preps 168

    Food and Water in the Wild 168

    Knives and Other Camping Tools 169

    Wildlife Management and Physical Security 171

    21 Protection against Pollutants and Disease 173

    Human-to-Human Transmission of Diseases 174

    Zoonotic Disease Vector Control 176

    Smoke and Industrial Accidents 177

    Nuclear Disaster Preps 178

    22 Emergency Communications 181

    The Lost Art of Pen and Paper 182

    Satellite Communications 182

    Two-Way Radios 183

    Understanding the Range of Handhelds 184

    Radio Bands and Types of Service 186

    Digital Radios and Data Transmission 188

    Licensing Requirements 189

    Looking Beyond Handhelds 189

    23 Entertainment and More 191

    Part IV Active Self-Defense 193

    24 The Politics of Putting up a Fight 195

    25 Standing Up for Your Belongings 199

    What You Aren't Allowed to Do 200

    Buying Some Peace of Mind 200

    Buying Time 201

    26 Fighting for Your Life 203

    The Legalities of Self-Defense 204

    The Right to Arm Yourself 205

    The Merits of Unarmed Combat 206

    Less-Lethal Defense Tools 206

    Weapons That Kill 208

    27 Understanding Firearms 211

    Handguns 212

    Semiautomatic Pistols 212

    Revolvers 213

    Other Concealable Firearms 213

    Deciding on Handgun Caliber and Size 213

    Long Guns 214

    Rifles 215

    Shotguns 216

    Ammunition 217

    Firearm Safety Rules 217

    Firearm Storage 218

    Getting Good 219

    Epilogue 221

    Notes 223

    Index 237