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Data breach

Vendor breach exposes personal data of 621 Sony Bank customers

First reported · Last reported · 4 related reports

SpilloverSpillover from the Securitize Japan incident · View original incident →

Securitize Japan, which handles digital securities operations for Sony Bank, was breached, exposing the personal information of 621 Sony Bank customers. Names, addresses, dates of birth, and account numbers were exposed for four customers, while only names were exposed for the remaining 617. Reports indicated that administrator privileges had been seized through an authentication flaw and customer information had been exfiltrated, and digital securities trading was temporarily suspended.

Key facts

Affected organization
Sony Bank
Original incident
Securitize Japan breach exposes digital securities customer data
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
Personal information of 621 customers
Cause / method
Seizure of administrator privileges through an authentication flaw at service provider Securitize Japan and exfiltration of customer information
Location
Japan

If your data was exposed

Exposed dataNameAddressDate of birthBank account

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Timeline

  1. It became known that a breach at a service provider had exposed information on 621 Sony Bank customers and led to the temporary suspension of digital securities trading.
  2. Reports emerged indicating that administrator privileges had been seized through an authentication flaw and customer information had been exfiltrated.

Original incident

This is spillover from the Securitize Japan incident.

  • Data breachSecuritize JapanKnock-on victims: 1

    Securitize Japan breach exposes digital securities customer data

    9.1KImpact: Customer information leaked, including data on 621 Sony Bank customers and up to 9,086 Marui Group applicants

    Customer information for digital securities from several client companies was exfiltrated from Securitize Japan after administrative privileges were seized by exploiting a vulnerability in its authentication functionality. Those affected included 621 Sony Bank customers and up to 9,086 Marui Group applicants, with the exposed data including names, addresses, contact details, dates of birth, investment information and some account information. Client companies including NTT DATA, Sony Bank and Marui Group disclosed the leaks.

    Related reports: 2 · last report →

4 related reports

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