Mitsubishi hackers may have stolen details of prototype missile

Japan’s Ministry of Defence says it is investigating if state-sponsored hackers were responsible.

Mitsubishi hackers may have stolen details of prototype missile
There were red faces earlier this year when it was made public that hackers had exploited vulnerabilities in one of Trend Micro’s anti-virus products… to steal information from Japanese manufacturer Mitsubishi Electric.

We heard then that hackers – speculated to be members of a Chinese state-sponsored gang known as “Tick” – had accessed personal information about thousands of Mitsubishi Electric employees and confidential technical documents six months earlier. The hackers took advantage of a flaw in Trend Micro OfficeScan that was only eventually fixed in October 2019.

It was obviously embarrassing for Trend Micro, which continues to brag about Mitsubishi Electric being one of its customers.

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Now, according to an Associated Press report, the Japanese Defence Ministry is said to be investigating whether the information leaked included details of a prototype missile called the HGV:

The suspected leak involves sensitive information about a prototype of a cutting-edge high speed gliding missile intended for deployment for the defense of Japan’s remote islands amid China’s military assertiveness in the region.

Chief Cabinet Secretary Yoshihide Suga told reporters that the Defense Ministry is investigating “the possible impact of the information leak on national security.”

According to the report, the Japanese Defence Ministry believes that the information might have been stolen by hackers from Mitsubishi Electric during the bidding process for the missile’s manufacture.

Hmm. I wonder who might have wanted to find out what rival bidders were up to?

Mitsubishi Electric did not win the bid. Surprise surprise.


Graham Cluley is an award-winning keynote speaker who has given presentations around the world about cybersecurity, hackers, and online privacy. A veteran of the computer security industry since the early 1990s, he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows, makes regular media appearances, and is the co-host of the popular "The AI Fix" and "Smashing Security" podcasts. Follow him on Bluesky and Mastodon, or drop him an email.

3 comments on “Mitsubishi hackers may have stolen details of prototype missile”

  1. dinosore

    Please learn to spell Defence according to local norms.

    1. Spryte · in reply to dinosore

      Is that not part of a "Quote"(?)

      1. Graham CluleyGraham Cluley · in reply to Spryte

        After Dinosore's comment I corrected a couple of places where I had mixed up "Defence" and "Defense" in the body of the article. I've fixed that now (deciding upon my preferred English spelling), but I left the quoted text as-is.

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