The threat actor d4rk4rmy has claimed to have compromised Mizuho Financial Group, a major Japanese financial institution formed by the 2002 merger of Dai-ichi Kangyo Bank, Fuji Bank, and the Industrial Bank of Japan, which has expanded globally since then. The incident impacts Japan.
Incident Details
- Victim: MIZUHA FINANCIAL GROUP
- Country: JP
- Actor: d4rk4rmy
- Source:
- Discovered: 2025-08-07 11:48:04.163136
- Published: 2025-08-07 11:48:01.841775
Information
- The ransomware attack targeted Mizuho Financial Group.
- The incident involved the actor d4rk4rmy.
- The attack took place in Japan.
- Mizuho Financial Group was formed in 2002 through the merger of Dai-Ichi Kangyo Bank, Fuji Bank, and the Industrial Bank of Japan.
- Since its formation, Mizuho has expanded its network across Asia and globally.
Disclaimer: This post is based on public claims made by the ransomware group "d4rk4rmy". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.