An incident occurred in which notifications of other customers' stock trading histories were mistakenly sent from Meritz Securities' mobile trading system (MTS).
According to the financial investment industry on the 2nd, after the U.S. stock market closed that morning, push notifications showing other people's U.S. stock execution details were sent to some customers from Meritz Securities' MTS "Meritz SMART."
The mis-sent notifications displayed another customer's real name, executed ticker, time, quantity, and purchase price as is.
Meritz Securities is checking the time and scale of the error.
A Meritz Securities official said it was a simple mis-sent error and had nothing to do with hacking or a leak of personal information.
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