Business News Tech AI Chinese AI tool behind cyberattacks in Japan: security firm

Dozens of Japanese companies, from restaurant chains to a car hire operator, have disclosed unauthorised access or data breaches in recent weeks -- potentially impacting millions of customers.

A Chinese AI cybersecurity tool called Artex was used in a spate of recent hacks of Japanese companies, the subsidiary of a major Tokyo-based internet company said Tuesday. Dozens of Japanese companies, from restaurant chains to a car hire operator, have disclosed unauthorised access or data breaches in recent weeks -- potentially impacting millions of customers. The information security arm of GMO Internet Group said it had "confirmed Artex was used" having investigated the attacks in collaboration with external organisations.

"It also became clear... the attacks were almost exclusively targeting Japan," Daiki Fukumori of GMO wrote on the company blog. AI's ability to find previously unknown ways to hack into computer systems is in the global spotlight, as leading labs release ever-more advanced models. Artex was designed to help organisations strengthen their cyber defences through AI-powered security testing to find potential weak points, its developer has said. The Chinese tool this month stopped programmers from accessing its source code, acknowledging misuse by "bad actors" after South Korea linked it to several hacks on financial institutions. Using Artex for cyberattacks was "entirely contrary to" the developer's intentions, a statement said, adding that the project would no longer be updated. Fukumori said the GMO subsidiary had discovered six internet servers launching AI-powered attacks.

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