GMO Internet confirms malware attack on 26,739 Onamae.com servers

Hackers installed malware in customer server environments at GMO Internet's Onamae.com Desktop Cloud and may have stolen trading credentials. GMO refused a $50 million crypto ransom, involved police and security specialists, and pledged compensation to affected users.

• 26,739 servers flagged as potentially affected; new signups and panel access suspended October 20
• Attackers demanded $50 million in cryptocurrency; GMO refused to pay
• Compensation: ¥5,000 to all users plus verified trading losses and fees
• GMO shares reportedly fell nearly 16% to a four-month low