TOKYO (Kyodo) -- Mizuho Bank said Tuesday that its systems experienced connection disruptions from around 7 a.m., affecting online transactions for individuals and corporations, but it stressed there are no other issues detected such as a loss of customer data.
One of Japan's three megabanks suggested it may have been targeted by a distributed denial-of-service, or DDoS attack, in which networks are overwhelmed by data from multiple sources over a short period. The bank said internet transactions were functioning again by approximately 10 a.m.
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