Korean University professor Seungjoo Kim says, the answer, in part, is because North Korea's computer hackers operate in China and Europe with easy access to the Internet.

韩国大学教授Seungjoo Kim表示，部分是因为朝鲜的计算机黑客在中国和欧洲操作，可以轻松访问互联网。

Before I became a neuroscientist, I was a computer hacker.

在我成为神经科学家之前， 我是一名计算机黑客。