On the 8th at Mizuho Bank, it was found that the trouble that ATMs etc. were temporarily unavailable was caused by a malfunction of the equipment of the core system that manages deposits and remittances.
Problems have recurred in the core system, which can be said to be the core of banks, and banks are required to prevent the recurrence of frequent problems and eliminate user anxiety.
At Mizuho Bank, on the morning of the 8th, there was a problem that about 100 ATMs = automatic teller machines and Internet banking could not be used temporarily.
According to the people concerned, this trouble was caused by a malfunction in the equipment of the core system, which can be said to be the core of the bank that manages deposits and remittances.
Mizuho Bank's core system has been revamped, but since February to March there were a series of failures related to this core system, a comprehensive inspection was conducted to prevent recurrence, while the Financial Services Agency also inspected it. We are.
However, even after that, at Mizuho Bank, on the 20th of last month, the equipment that connects the core system and the terminal of the store failed, and the system failure occurred again.
This time, it was switched to a substitute device normally and recovered in a short time, but banks are required to prevent the recurrence of frequent troubles and eliminate the anxiety of users.