How Power Grid Hacks Work, and When You Should Panic

can sometimes seem like power grids are practically crawling with digital intruders. Over just the last four months, news has emerged that Russian hackers penetrated a nuclear power plant, that the same group may have had hands-on access to an American energy utility’s control systems, that another group of Kremlin hackers used a new form of automated malware to induce a power outage in Ukraine—and now this week, that North Korean hackers breached an American energy utility.

Read full news article on Wired – Threat Level