GMO Cloud Desktop Service Breached, Customer Data Leaked
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On October 27, 2026, Japanese internet giant GMO Internet disclosed that its Onamae cloud desktop service for financial traders was suspected to have suffered unauthorized access. Hackers have publicly released suspected customer and company information. According to the company, about 27,000 servers may be affected, and it has advised customers to reset their passwords. The incident is still under investigation and remediation; no further details on the scope or volume of leaked data or the attack vector have been released by GMO or related parties.
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- TechCrunch · AIJapan internet giant GMO says hackers posted stolen customer data
GMO Internet disclosed that its Onamae cloud desktop service for financial traders likely suffered unauthorized access, and hackers have published suspected customer and company information. Around 27,000 servers may be affected, and the company advises customers to reset their passwords.
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