Nomura Holdings Inc. has said that information on its corporate clients was leaked by an employee to a securities firm, little more than a year after it was admonished by the nation’s financial regulator for lax controls.
An internal investigation found that data on 275 companies, mainly financial institutions, was leaked to Nippon Institutional Securities Co., Nomura said Thursday in a statement. The leak included information on dealings in exchange-traded funds (ETFs) and transactions with Nomura's domestic brokerage arm.
The worker shared the information at the behest of a former Nomura staff member who is now employed by Nippon Institutional Securities, a unit of Nikko Asset Management Co., Nomura said.
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