A Chinese man drove around Tokyo with a car that turned thousands of phones into scam targets. Similar setups have appeared in Toronto, London, Athens, and Bangkok.
Tokyo police arrested Yu Hai, 31, on November 7 in Ginza. It is Japan’s first arrest of this kind. His car held a
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A Chinese man drove around Tokyo with a car that turned thousands of phones into scam targets. Similar setups have appeared in Toronto, London, Athens, and Bangkok.
Tokyo police arrested Yu Hai, 31, on November 7 in Ginza. It is Japan’s first arrest of this kind. His car held a fake cell tower that blasted strong 2G signals, knocking phones within hundreds of meters offline for one to two hours. Sessions hit more than 10,000 phones.
Phones that connected received Chinese-language phishing texts claiming credit-card payments were suspended and directing users to fake sites. He is believed to have operated since December 2024 in Ginza, Shibuya, and Shinjuku, targeting Chinese tourists. Police logged at least 18 complaints and about ¥4 million in losses.
He is charged under the Radio Act with running an unlicensed station and interfering with important radio communications. He denies everything.
The same method has shown up elsewhere. Toronto police arrested three men in North America’s first SMS-blaster case, citing more than 13 million network disruptions and 911 concerns. Athens police found a device in a car trunk. A Chinese student was sentenced in London. In Thailand, Chinese nationals were caught running car-based systems. One of them sent over a million messages in days.
The hardware is cheap, portable, and fits in a trunk. The tech is old. The fraud is new. Chinese-linked operators keep appearing with it. Victims don’t have to click anything. Their phones just connect.
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