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Man accused of using generative AI to create virus in Japan 1st (mainichi.jp)

submitted 5 months ago by [email protected] to c/[email protected]

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TOKYO -- A 25-year-old man has been served a fresh arrest warrant for allegedly creating a computer virus using generative artificial intelligence (AI), the Metropolitan Police Department (MPD)'s cybercrime control division announced on May 28, in what is believed to be the first such case in Japan.

Ryuki Hayashi, an unemployed resident of the Kanagawa Prefecture city of Kawasaki, was served the warrant on suspicion of making electronic or magnetic records containing unauthorized commands.

Hayashi is accused of creating a virus similar to ransomware, which destroys computer data and demands ransom in cryptocurrency, using his home computer and smartphone on March 31, 2023. He has reportedly admitted to the allegations, telling police, "I thought I could do anything by asking AI. I wanted to make easy money."

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[–] [email protected] 27 points 5 months ago (6 children)

Apparently the warrant was served only after an discovering evidence from an unrelated (or semi-related?) arrest? The article didn't specify if his ransomware worked, but I doubt it did if it was mostly GPT-generated. I guess the intention and confession is enough to make charges stick though. Wouldn't be surprised if whatever GPT service he used also flagged him as suspicious and led authorities to him.

[–] [email protected] 18 points 5 months ago (5 children)

Japan has a suspiciously high conviction rate though (>99%). They either don't even go for criminals they are not sure about or there's some form of tampering going on. Hard to say.

[–] [email protected] 11 points 5 months ago* (last edited 5 months ago)

Apparently it's the former. Their prosecution rate is 8% apparently according to Wikipedia, because they're too understaffed to deal with cases that can go either way. They also have a false confession problem, but that's not what's getting them to that rate.

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