GMO tells account holders to prepare for worst after hack
By The BriefBrief
GMO Internet Group asked account holders to back up data and unplug their computers after a hacking group threatened to disclose stolen information. The incident affected customers of five foreign exchange firms; the publication headline said the hackers demanded a US$50 million ransom.
WHO:GMO Internet Group
WHAT:GMO Internet Group asked account holders to back up data and unplug their computers after hackers threatened to disclose stolen information.
WHEN:Reported Oct 27, 2026 at 3:59 AM ET
WHERE:Japan
WHY:GMO asked account holders to protect their data and computers because a hacking group threatened to disclose stolen information.
Reporting from 2 identified publishers across this event arc.