Mizuho Bank has decided to suspend the work of shifting from paper passbooks to digital passbooks that allow you to check transaction history on smartphones, etc., in order to prioritize the investigation of the cause of the large-scale ATM system failure that occurred at the end of last month.

Digital passbook is a service that has just started, and it has been forced to review the plan as soon as possible.

The system failure on the 28th of last month, when Mizuho Bank's ATMs were temporarily unavailable all over the country, was caused by an excessive load on the system due to the work of switching the time deposit account from a paper passbook to a digital passbook. was.



Digital passbook is a service that allows you to check the transaction history for a longer period than paper passbooks using a smartphone or the like.



After introducing this service in January, Mizuho has been working on gradually switching to digital passbooks for accounts that have not used paper passbooks for more than a year, but due to this system failure, the work was done. I decided to suspend it.



Investigate the cause and have a thorough measures to prevent recurrence and to priority, is that do not stand is one of the prospect work time can be resumed.



For Mizuho, ​​digital passbooks were one of the important efforts to strengthen profitability through cost reduction, but they stumbled from the beginning and had to revise their plans as soon as possible.