For decades, the Cassandras of internet security warned us this was coming. They cautioned that hackers would soon make the leap beyond mere crime or even state-sponsored espionage and begin to exploit vulnerabilities in the digitized, critical infrastructure of the modern world. In 2007, when Russian hackers bombarded Estonia with cyberattacks that tore practically every website in the country off-line, that blitz hinted at the potential scale of geopolitically motivated hacking.
