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nipponsteel.com

Ransomware group metaencryptor hits Nippon Steel Corporation

MEDIUM
·Manufacturing·JP·2026-09-15

Nippon Steel Corporation — a manufacturing target operating in JP has been listed by the metaencryptor ransomware group on 2026-09-15. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.

Incident Report

Target OrganizationNippon Steel Corporation
Threat Group
metaencryptor
SummaryNippon 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 Breach2026-09-15
Discovery Date2026-09-15
RegionJP
Target Domainwww.nipponsteel.com
Business SectorManufacturing
Severity
MEDIUM

Claim by metaencryptor

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.

Posted by the metaencryptor threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.

Sources

Victim website

www.nipponsteel.com

Leak post (onion / Tor)

tor

https://metacrpttdfpbm4qoxzcrqqgr6e6zafpazgxm72knmujw2mwvi34rwad.onion/0AFC:17fe94bae6f2528438ad5cd6abf43bdea9955e32ca2e0edcdffe61821b1ca70a/0AFC:db652f7bace8bdfd5e7e15c757ca5ec12d171d7b890b1073f3079a7a1f96c794ab0fdbd49e59c65fcc379bcd4e1b4900

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