South Korea has increased measures to protect its 23 nuclear power plants from cyber-attack.

The operator of the country’s plants has acted to separate its internal computer network and plant control systems from the Internet and sealed USB ports in an effort to prevent hacking.
Cyber security
News agency Yonhap reported that the government announced North Korea “was behind the massive hacking attack that paralyzed the networks of local financial firms and broadcasters last month, though the North later denied its involvement.”

The news agency added that North Korea “is known to operate a cyber-warfare unit of 3,000 elite hackers who are trained to break into computer networks to steal information and distribute malware.”

Nuclear power provides the south with one third of its power and they plant to double its present 20.7 GWe of nuclear capacity by 2030.

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