By Genta Nakanishi ( October 6, 2026, 05:50 GMT | Insight) -- Daiwa Securities, a major Japanese brokerage, has reported a potential leak of up to 220,000 inquiry records to Japan’s financial and privacy regulators, the company told MLex, as it investigates whether data held by an external service provider were taken in the cyberattack.Daiwa Securities, a major Japanese brokerage, has reported a potential leak of up to 220,000 inquiry records to Japan’s financial and privacy regulators, the company told MLex, as it investigates whether data held by an external service provider were taken in a cyberattack....
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