GMO Internet Group security incident history
Hacking, data breaches and other security incidents involving GMO Internet Group, with related coverage.
Incidents: 1 · Most recent
GMO forex service hack leads to unauthorized trades and customer losses
Impact: Reported losses across 2,943 accounts totaling ¥2.99 billion; related costs, including compensation, of ¥3.05 billion
Unauthorized access to GMO's foreign exchange trading service resulted in a data leak and unauthorized trades. As of November 13, users had reported losses totaling ¥2.99 billion across 2,943 accounts, while costs including compensation for customer losses and goodwill payments totaled ¥3.05 billion. GMO conducted a group-wide review. It also emerged that vulnerabilities had been flagged and a system redesign proposed two years earlier, but no action had been taken.
Related reports: 36 · last report →