Daiwa Securities Group Inc. [8601]: Possible Leakage of Customer Information Due to Unauthorized Access to an External Contractor, 5 October 2026 (Timely Disclosure): Nikkei Company Information DIGITAL

Daiwa Securities Group Inc. announced at 12:00 on 5 October 2026 that customer information may have been leaked due to unauthorized access at an outsourced service provider. The announcement materials are available through Nikkei Company Information DIGITAL.

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The story

Daiwa Securities Group Inc. announced at 12:00 on 5 October 2026 that customer information may have been leaked following unauthorized access at an outsourced service provider.

The announcement materials do not provide details on the scope of the impact or the cause, but only state that detailed information is available through Nikkei Company Information DIGITAL.

At a glance

CustomerAnnounced the possibility of customer information leakage due to unauthorized access at an outsourced service provider

DateAnnounced at 12:00 on 5 October 2026

NatureAnnounced the possibility of customer information leakage

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