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MIZUHA FINANCIAL GROUP

d4rk4rmy

This record tracks a ransomware attack claimed by the d4rk4rmy group against MIZUHA FINANCIAL GROUP. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
Japan
Business Category
Finance / Legal / Insurance
Employees
51-100
Discovered
2025-08-07
Published
August 07, 2025
Victim ID
sncK23PtIUuz

Attack Summary

https://www.mizuhogroup.com In 2002, Dai–Ichi Kangyo Bank, Fuji Bank, and the Industrial Bank of Japan merged to form the Mizuho Financial Group. Since then, Mizuho has developed an extensive network in Asia and the rest of the world through a consistent…

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