
They’ve stolen billions of dollars, according to the U.S. Department of Justice. They’ve paralyzed the United Kingdom’s National Health Service, according to the U.K. Foreign, Commonwealth, and Development Office. And they’ve apparently hacked India’s newest nuclear power plant to steal its designs.
North Korean hackers have gone from spying on and disrupting their South Korean adversaries to stealing large sums of money, robbing cutting-edge technology, and causing havoc. While senior U.S. and Japanese officials are meeting this week to discuss regional security—especially with a focus on North Korea’s missiles—many experts say Pyongyang’s hackers are potentially a bigger threat than the massive rockets North Korean leader Kim Jong Un parades around every year.