Mizuho Research Institute Lost 2.5 million personal information of customer companies Accidentally discarded or July 21 at 20:21
It was revealed that the magnetic tape that records about 2.5 million pieces of information such as personal information of client companies and records of seminar participation at the Mizuho Research Institute, a think tank of a major financial group, is gone. The company is likely to have scrapped it by mistake.
According to Mizuho Research Institute, when we regularly inspected the equipment in-house in February this year, we found that the magnetic tape for data storage of the system that manages customer information is gone.
This magnetic tape contains 669,000 pieces of personal information such as the email address and telephone number of the person in charge of the customer company, and information such as the name of the company, person in charge of the seminar, etc. who participated in seminars sponsored by Mizuho Research Institute This means that a total of 1,88,000 records of 2.5 million records are recorded, including information on Mizuho Bank's business partners.
The company said there was a high probability that the magnetic tape was mistakenly misplaced when the old information device was discarded in December last year, and so far no case of unauthorized use of customer information has been confirmed. is.
The company commented, "We will urgently put together measures to prevent recurrence and thoroughly manage information."
Mizuho Research Institute
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