Mizuho Financial Group

Mizuho Financial Group

Data Breach on August 08, 2025
Data Breach Report
Victimmizuhogroup.com
Threat ActorD4RK4RMY
Date DiscoveredAug 08, 2025
DescriptionMizuho Financial Group is a banking and financial services conglomerate based in Japan, providing retail and corporate banking, securities, asset management, and trust services.
Leak Size845GB

Credential Exposure for mizuhogroup.com

We've indexed 74 @mizuhogroup.com accounts from external breaches.

Last checked Aug 16, 2026

@mizuhogroup.com addresses from external breaches
Third-party breaches72 accounts · across 12 breaches · 66 with a plaintext password · most recent Aug 21, 2024
Combo lists3 accounts · most recent Jul 22, 2026

None of this is necessarily connected to the ransomware attack above.

Is your organization next?

Mizuho Financial Group was breached. Check if your company's credentials have been exposed in this or other data breaches.

Check your exposure →

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.