Daiwa Securities
LowReportedBanking and finance
On 5 October 2026, Daiwa Securities, Japan's second-largest brokerage, announced that the servers of an external vendor, Scala Communications, had been accessed without authorisation. The vendor informed Daiwa on Saturday 3 October. Information on up to 110,000 clients may have been leaked, including names and account numbers. Daiwa states that its own systems were not breached and that no improper transactions linked to the leak have been detected.
According to Daiwa, the exposed data cannot be used to access securities accounts or to trade online.
- Disclosed on
- October 5, 2026
- Accounts affected
- 110,000
- Sector
- Banking and finance
- Country
- Japan
- Cause
- Third-party provider
Exposed data
- Full name
- Customer ID
You are only affected if you had an account or an order with this organisation.
What you can do
- You can ask the organisation exactly what was exposed about you (right of access), and complain to the DPA if no answer comes within a month.
Sources
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