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[METAENCRYPTOR] – Ransomware Victim: Nippon Steel Corporation

Redpacketsecurity •admin • September 15, 2026

Verification alert Listings attributed to METAENCRYPTOR have been reported as including unverified or fabricated victim claims. Treat this post as unconfirmed until corroborated with independent evidence. See further information here: BankInfoSecurity

See further information here: BankInfoSecurity

NOTE: No files or stolen information are exfiltrated, downloaded, taken, hosted, seen, reposted, or disclosed by RedPacket Security. Any legal issues relating to the content should be directed at the attackers, not RedPacket Security. This blog is an editorial notice informing that a company has fallen victim to a ransomware attack. RedPacket Security is not affiliated with any ransomware threat actors or groups and will not host infringing content. The information on this page is automated and redacted whilst being scraped directly from the METAENCRYPTOR Onion Dark Web Tor Blog page.

AI Generated Summary of the Ransomware Leak Page

On September 15, 2026, Nippon Steel Corporation was listed on a ransomware leak site by the MetaEncryptor group. Nippon Steel Corporation is a Japan-based manufacturing company and one of the world’s leading steel producers, supplying steel products to the automotive, construction, energy, infrastructure, and industrial sectors. The available information does not provide a separate compromise date; therefore, September 15, 2026, is treated as the post date. The listing does not specify whether the incident involved system encryption, data theft, or both. The post provides no details regarding the volume or type of allegedly compromised data, operational disruption, or ransom demand. It also contains no screenshots or other images, and no downloadable files are indicated. As a result, the available material confirms only that Nippon Steel Corporation was named in a claim by the threat group, without supporting evidence or additional incident details.

The post provides no details regarding the volume or type of allegedly compromised data, operational disruption, or ransom demand. It also contains no screenshots or other images, and no downloadable files are indicated. As a result, the available material confirms only that Nippon Steel Corporation was named in a claim by the threat group, without supporting evidence or additional incident details.

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Ransomware Attacks Target SFA Engineering and Nippon Steel Corporations On September 15, 2026, both SFA Engineering Corporation and Nippon Steel Corporation were listed as victims on a ransomware leak site operated by the MetaEncryptor group. SFA Engineering, a South Korean firm specializing in industrial automation, and Nippon Steel, a leading Japanese steel producer, were both named without specific details on the attack method or the extent of the damage. The listings did not provide information regarding system encryption, data theft, ransom amounts, or operational disruptions. No corroborating evidence or independent verification of the claims was provided, and the articles emphasize that the information should be treated as unconfirmed until further evidence is available. The lack of details raises questions about the actual impact of the incidents on the affected companies. Both articles highlight that RedPacket Security is not affiliated with the attackers and does not host any compromised data. 2 sources 34

Extracted Entities

[METAENCRYPTOR] – Ransomware Victim: Nippon Steel Corporation

The full story

Extracted Entities

Attack Types (1)

Companies (1)

Countries (1)

Industries (1)

Ransomware Groups (1)