Sumitomo Mitsui Financial Group announced that the information of more than 110,000 customers, including SMBC Trust Bank and SMBC Nikko Securities, has been available to third parties for several years.
It is said that the information of up to 160 customers was actually accessed, but it is not illegally used.
According to the announcement, SMBC Trust Bank has made the personal information of more than 37,000 customers visible to third parties in about four years, and up to 101 people have actually been accessed. ..
In addition to your name and date of birth, your PIN may have been viewed.
In addition, SMBC Nikko Securities has been able to view information on more than 80,000 customers since two years ago, and it is possible that the names and email addresses of up to 50 people could be viewed.
In each case, we have not received any complaints of damage or unauthorized use from customers so far, but we have contacted more than 110,000 customers individually.
Sumitomo Mitsui Financial Group used a system developed by the same IT company among 15 affiliated companies, so the entire group conducted a survey, but it was said that there was no other access to customer information such as Sumitomo Mitsui Banking Corporation. That is.
Both companies commented, "We take this situation very seriously and will thoroughly manage customer information again to prevent recurrence."