A cybersecurity expert & former Google privacy analyst's urgent call to protect devices & networks against malicious hackers & misinformed policymakers New technologies have provided both incredible convenience & new threats The same kinds of digital networks that allow you to hail a ride using your smartphone let power grid operators control a country's electricity-and these personal corporate & government systems are all vulnerable In Ukraine unknown hackers shut off electricity to nearly 230000 people for six hours North Korean hackers destroyed networks at Sony Pictures in retaliation for a film that mocked Kim Jong-un & Russian cyberattackers leaked Democratic National Committee emails in an attempt to sway a US presidential election & yet despite such documented risks government agencies whose investigations & surveillance are stymied by encryption push for a weakening of protections In this accessible & riveting read Susan Landau makes a compelling case for the need to secure our data explaining how we must maintain cybersecurity in an insecure age