Summary
Written by ThreatClusterfrom victim profile, leak post, our reportingMetaEncryptor claims Nippon Steel Corporation’s data has been leaked, totaling 109 GB, on the group’s leak site. The leak page lists Nippon Steel Corporation as a victim; the domain is nipponsteel.com and the country is Japan. Public reporting on 2026-09-15 notes Nippon Steel and SFA Engineering were named as victims on the group’s leak site, with no specifics on attack method or data exposure.
Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.
Victim profile
- Employees
- 0
What was taken
Nippon Steel Corporation is Japan's largest steelmaker and one of the world's leading steel producers, headquartered in Tokyo. The company operates across steelmaking and steel fabrication, engineering, chemicals, and systems solutions.
Also stated on the leak page
Fields this group publishes that do not map to a standard column. Labels are the site's own.
- leaked_files
- 0 entries
- files_for_campaign_status
- Files for this campaign have not been published yet.
Leak-site images (1)
Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.