GMO Internet says attacker leaked customer data from Onamae cloud desktop service
GMO Internet is investigating suspected unauthorized access to its Onamae cloud desktop service, which provides virtualized desktops to financial traders. The company says an attacker has published data allegedly tied to customers and its business, though it has not fully verified the leak's contents, and up to 27,000 servers may be affected. GMO has urged customers to reset passwords after reports of unauthorized activity on trading accounts.
GoKawiil's interpretation of the reporting above, not reported fact.
The breach follows GMO's own cybersecurity unit recently flagging a Chinese AI-powered penetration tool, Artex, used in attacks on Japanese firms and South Korean banks, though GMO has not confirmed any link between Artex and the Onamae incident. Japan's Financial Services Agency had already warned in May that financial institutions should brace for rising cybersecurity threats, suggesting regulators anticipated incidents like this one targeting trading infrastructure.
- GMO Internet's Onamae cloud desktop service, used by financial traders, suffered a suspected data breach with attacker-published data.
- Up to 27,000 servers may be affected, and customers have been told to reset passwords after unauthorized trading account activity.
- The incident follows warnings about an AI-driven hacking tool, Artex, though GMO has not confirmed it was used in this breach.
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Published there as: “Japan internet giant GMO says hackers posted stolen customer data”
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