StockDuty ← Dashboard Oct 27, 2026 09:37 PM ET
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Japan internet giant GMO says hackers posted stolen customer data

High-priority alert based on source significance and keyword relevance.

What happened: GMO Internet is investigating a data leak after suspected unauthorized access to its Onamae cloud desktop service, which provides virtualized desktops to financial traders. Why it matters: GMO advised customers to reset passwords after reports of unauthorized operations on trading accounts. The company said it has not established a connection between the breach and the Artex tool its cybersecurity unit flagged in separate hacks across Japan. Coverage: 3 outlets in 24h
GMO Internet is investigating a data leak after suspected unauthorized access to its Onamae cloud desktop service, which provides virtualized desktops to financial traders.
GMO advised customers to reset passwords after reports of unauthorized operations on trading accounts. The company said it has not established a connection between the breach and the Artex tool its cybersecurity unit flagged in separate hacks across Japan.
Sources