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Data breach

SMBC Nikko Securities shareholding association system breach affects up to 56,487 people

First reported · Last reported · 24 related reports

Unauthorised 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 9 November.

Key facts

Affected organisation
SMBC Nikko Securities
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
Personal information of up to 56,487 people exposed or potentially exposed
Cause / method
Unauthorised access to the employee shareholding association management system
Location
Japan

If your data was exposed

Exposed dataNameAddressBank account

  1. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.

Timeline

  1. The company blocked access to the employee shareholding association management system.
  2. It was announced that the personal information of up to 56,487 people had been exposed or potentially exposed.

24 related reports

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.