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Mitsubishi Electric data may have been compromised in cyberattack

Major defense contractor says it suspects Chinese hacker group

Mitsubishi Electric, a key player in Japan's defense and infrastructure industries, detected a major cyberattack last year. (Nikkei montage/Source photo by Keiki Kashiwabara)

TOKYO (Kyodo) -- Mitsubishi Electric Corp. said Monday it has been targeted in a massive cyberattack, and that information regarding government agencies and other business partners may have been compromised.

A key player in Japan's defense and infrastructure industries, the electronics giant said that among the potentially leaked information are email exchanges with the Defense Ministry and the Nuclear Regulation Authority as well as documents related to projects with private firms, including utilities, railway operators, communications and automakers.

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