480,000 phishing emails sent from a PC hidden behind a fridge in a Japanese hotel room

480,000 phishing emails sent from a PC hidden behind a fridge in a Japanese hotel room

Police arrested a Chinese couple for placing the computer that was found in a Kobe hotel and using stolen credit cards to make purchases.

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The scam began on 15 May, 2025, when Ye connected the computer to hotel Wi-Fi and then hid it behind a fridge. There it stayed, sending around 480,000 emails. When it was discovered, the machine had around 2.4 million email addresses, presumably just waiting to be phished. The emails claimed to be from credit card companies and sent unsuspecting recipients to fake websites in an attempt to capture their credit card information. It's believed that the computer was administered remotely, allowing it to remain in situ without any in-person maintenance required.

Ultimately, the computer would likely have remained in place if the recipient of one of the phishing emails hadn't reached out to the hotel. The hotel's IP address was found in metadata linked to the messages, and staff discovered the computer before reporting it to the police. Police are still investigating whether the two scammers were the brains of the operation or simply working for someone else.

Phishing has long been a lucrative option for criminals around the globe, but it has also spawned a spin-off industry recently. A China-based phishing-as-a-service operation was dismantled by the FBI earlier this year. The service made it easier for criminals to create scam sites using AI and is believed to have been responsible for almost $2 billion in losses and 3.87 million stolen credit cards.

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