Skip to content
Ransomware News

Ransomware Group d4rk4rmy Hits: MIZUHA FINANCIAL GROUP

Admin
HookPhish team
Target organization MIZUHA FINANCIAL GROUP mizuhogroup.com Financial Services

Summary

In the latest cybersecurity news, MIZUHA FINANCIAL GROUP — a company operating in the JP — has fallen victim to a ransomware attack conducted by the group d4rk4rmy. This data breach, discovered on 2025-08-07 11:48:04.163136, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.

Incident Report

Attribute Information
Target Organization MIZUHA FINANCIAL GROUP
Threat Group d4rk4rmy
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…
Date of Breach 2025-08-07 11:48:01.841775
Discovery Date 2025-08-07 11:48:04.163136
Region JP
Target Domain www.mizuhogroup.com
Business Sector Financial Services

 

Recommended Security Actions

In response to increasing cyber threats, it’s critical to protect your organization with proactive security measures. HookPhish provides enterprise-grade solutions designed to reduce your risk of future attacks:

Protect your organization before it becomes the next headline. Explore HookPhish.

How HookPhish Helps You Stay Ahead

Don’t wait for a breach to take action — stay informed and take control of your cybersecurity posture today.

You can also check if your organization’s data has been exposed using our free Data Breach Checker.

Disclaimer

HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.

Leave a comment

Leave a comment

Related articles

Security training designed for people.

See how HookPhish turns phishing simulation, training and threat monitoring into measurable human-risk reduction.

Book a demo Explore solutions