In This Is How They Tell Me the World Ends Nicole Perlroth provides another explanation for the ever-expanding cyberassaults on the United States.

Scarier than the scariest sci-fi movie, This Is How They Tell Me The World Ends: The Cyberweapons Arms Race, Ms. Perlroth’s stunningly detailed, must-read book tells the untold story of what may well be the clearest and most present danger facing the world.

A sobering account of a thoroughly hacked and cyberattacked world.

Perlroth debuts with a colorful rundown of threats to the world’s digital infrastructure.

Cybersecurity journalist Perlroth’s terrifying revelation of how vulnerable American institutions and individuals are to clandestine cyberattacks by malicious hackers is possibly the most important book of the year. Perlroth spent seven years researching, traveling the world, and conducting hundreds of interviews about the elusive market for zero-day software bugs that allow a hacker to break into devices undetected and either implant malware, extract data, or take control of entire systems.