Ransomware Group metaencryptor Hits: Nippon Steel Corporation
Summary
In the latest cybersecurity news, Nippon Steel Corporation — an organization based in JP — has fallen victim to a ransomware attack conducted by the group metaencryptor. This data breach, discovered on 2026-09-15T11:59:12.189167+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Nippon Steel Corporation |
| Threat Group | metaencryptor |
| Summary | Nippon Steel Corporation is Japan’s largest steelmaker and one of the world’s leading steel producers. Headquartered in Tokyo, the company manufactures and supplies advanced steel products for the automotive, construction, energy, infrastructure, and industrial sectors. Nippon Steel operates globally through a large network of subsidiaries and production facilities, with annual revenue of approximately $67 billion and more than 138,000 employees. |
| Date of Breach | 2026-09-15T11:58:49.936119+00:00 |
| Discovery Date | 2026-09-15T11:59:12.189167+00:00 |
| Region | JP |
| Target Domain | www.nipponsteel.com |
| Business Sector | Manufacturing |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- train staff to spot attacks — close the gap attackers exploit.
- monitor the dark web for leaked logins — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish 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.
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