N-plant data compromised / Infected server leaked plant designs during recent cyber-attacks
The Yomiuri Shimbun
Sensitive design and other information on nuclear power plants was leaked during cyber-attacks that targeted major defense contractor Mitsubishi Heavy Industries Ltd., it has been learned.
According to informed sources, there are signs that data was transmitted outside the company's computer network from two servers infected by a virus during the attacks. Data from noninfected servers that had been covertly shifted to the infected computers also might have been leaked, the sources said.
Most of the leaked information involved design plans for nuclear plants and other equipment, leading some observers to believe the attacks were targeting civilian intellectual property.
... According to the sources, one of the infected servers stored information about defense-related equipment produced by MHI, while the other mainly held nuclear plant-related data. Information from both servers had been transmitted to external sites, although far more data had apparently been sent from the server storing the nuclear plant details.
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