Mizuho Financial Group submitted a report to the Financial Services Agency on the 31st of this month regarding a system failure that occurred at its affiliated banks.
At the moment, the cause cannot be identified and the investigation will be continued. On the other hand, it is said that the procedure for restoration and the way of dealing with customers will be reviewed, considering that the restoration was not in time by the start of business.
Due to Mizuho Bank's system failure that occurred on the night of 19th of this month, about 520 stores nationwide, including Mizuho Trust & Banking Group, were unable to make transactions such as transfers and deposits from the morning of the next day to around noon. I did.
Mizuho Financial Group submitted a report on the 31st after the Financial Services Agency issued an order to request a report on this trouble based on the law.
In this failure, the equipment that connects the so-called main system and the terminal of the store failed, and multiple backup functions did not work properly, but the report has not been able to identify the cause at this time. , The company plans to continue the investigation in cooperation with the companies that made the equipment and systems.
In addition, considering that the restoration was not in time for the start of business and the notification to customers on the homepage was delayed 30 minutes before the opening of the store, the procedure for restoration and the way of dealing with customers in the event of a failure in the future I am going to review it.
The Financial Services Agency plans to scrutinize the contents of the report and issue administrative sanctions along with a series of system failures from February to March.