SMBC Nikko Securities security incident history
Hacking, data breaches and other security incidents involving SMBC Nikko Securities, with related coverage.
Incidents: 1 · Most recent
SMBC Nikko Securities shareholding association system breach affects up to 56,487 people
56.5KImpact: Personal information of up to 56,487 people exposed or potentially exposed
Unauthorized access to SMBC Nikko Securities’ employee shareholding association management system was found to have exposed or potentially exposed the personal information of up to 56,487 people. The affected information includes names, addresses, shareholding balances and transfer account details, and may also include information on investment holdings. The company blocked access to the system on November 9.
Related reports: 24 →