Nomura Securities announced that unauthorised access had occurred on the systems of YMIRLINK,Inc., which handles email distribution for subscribers to i-Port, a portfolio management tool for financial institutions, and that customer email addresses and other information may have been leaked externally. It said that the information potentially affected did not include portfolio information registered with i-Port or securities trading account information.
In an announcement dated the same day, Nomura Securities said it had received a report from YMIRLINK,Inc., which handles email distribution for subscribers to i-Port, a portfolio management tool for financial institutions and other organisations, and announced that customer email addresses and other information may have been leaked externally as a result of unauthorised access to the outsourced provider's systems.
According to the outsourced provider, unauthorised access to some systems used to operate its email distribution service was confirmed on 16 October. A subsequent investigation confirmed on 22 October that information had been taken externally from the database. The information potentially affected was reported to be customer information stored in connection with email distribution.
The information potentially affected in this incident does not include portfolio information registered with i-Port or customers' securities trading account information. No unauthorised use attributable to this incident or unauthorised access to the outsourced provider's systems has been confirmed at this time. Customers and other parties concerned have been advised to watch for suspicious communications.
Nomura Securities said it would continue to have the outsourced provider confirm the facts and ascertain the cause and scope of the impact, while taking the necessary measures. It also said that, if any new facts come to light, it would promptly disclose them through its official website and other channels.