“At midnight, a week before last Christmas, hackers struck an electric transmission station north of the city of Kiev, blacking out a portion of the Ukrainian capital equivalent to a fifth of its total power capacity. The outage lasted about an hour—hardly a catastrophe. But now, cybersecurity researchers have found disturbing evidence that the blackout may have only been a dry run.” This is a reminder of what the whole Russian hacking story is really about: Russian hacking. Wired on the malware that took down a power grid.