South Korea Nuclear Plant Operator Hacked

Computers at South Korea’s nuclear-plant operator were hacked, the company said on Monday, leading to leaks of internal data that include blueprints of reactors and radiation-exposure estimates.

The state-owned operator Korea Hydro & Nuclear Power Co. Ltd. said a probe into the breach was under way but declined to detail its progress.

Read more about the hack attack on the South Korean nuclear plant operator on Wall Street Journal.