The Metropolitan Police Department has decided to end its investigation of a cyber-attack against Mitsubishi Heavy Industries Ltd., Japan's biggest defense contractor, before the three-year statute of limitations expires.
This shows how difficult it is to investigate crimes committed in cyberspace. It must be kept in mind that any company or organization throughout the nation can be the target of a cyber attack and that precautionary measures should be taken.
In the attack on MHI, 45 servers and 38 personal computers at its Tokyo headquarters and at 10 other sites for manufacturing and research and development were infected with eight kinds of viruses. The viruses connected the Mitsubishi servers and computers to servers overseas for the purpose of hacking information. MHI says there were no leaks of protected information.
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