How Teenage Hackers Hijack The Internet

The question of how Donald Trump won the 2016 election looms over his presidency. In particular, were the 78,000 voters who gave him an Electoral College victory affected by the Russian trolls and hackers? Trump has denied it. So, too, has Vladimir Putin. Others cast the answer as unknowable.

In Hackers Beware, Eric Cole succeeds in explaining how hackers break into computers, steal information, and deny services to machines' legitimate users. An intended side effect of his documentary efforts is a feeling for how network-connected computers should be configured for maximum resistance to attack. Cole, who works with the attack-monitoring SANS Institute as an instructor and security consultant,…