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i-one

Claimed by Black X · listed 22 hours ago

Today
Age
since listed · data leaked

Status timeline

  1. ListedAug 30, 2026
  2. Data leakeddate unknown

At a glance

Group
Black X
Status
Data leaked
Country
South Korea
Listed on leak site
Aug 30, 2026

About the victim

AI dossier — public-source company profile

i-one is a South Korean manufacturer of car parts based on the domain registration. The company operates in the automotive supply sector.

Industry
Automotive Parts Manufacturing

Attack summary

Severity: high — Confirmed exfiltration of significant proprietary business data (1 TB claimed) including technical drawings and supply chain information from a manufacturing company. This represents substantial intellectual property and operational data exposure.

Black X claims to have exfiltrated approximately 1 TB of technical data from i-one, including technical specifications, sales records, engineering drawings, quality documentation, and supply chain information. The group threatens to publish this data if the company does not contact them.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Technical specifications and data
  • Sales records
  • Engineering drawings
  • Quality documentation
  • Logistics information
  • Supply chain information

What the group claims

This company is a manufacturer of car parts. We have obtained all of your company's technical data. (1TByte) If you do not contact us, all your data, including technical, sales, drawings, quality, logistics, and supply chain information, will be leaked.

Sources

Source

Indexed 22 hours ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About Black X

Black X is a nascent ransomware group first observed in June 2026 with limited public documentation available from major threat intelligence sources including CISA, FBI, Mandiant, or comparable research organizations. With only four known victims on record, the group remains in early operational stages, though its targeting pattern suggests a financially motivated threat actor pursuing opportunistic or selectively targeted intrusions across geographically diverse regions. The group has demonstrated activity spanning South Africa, the Philippines, South Korea, and Germany, indicating either a broad global targeting posture or the use of affiliate infrastructure capable of operating across multiple jurisdictions. Targeted sectors include Business Services, Healthcare, Energy, and the Public Sector, a mix consistent with groups seeking high-value data for double extortion leverage or organizations with lower tolerance for operational disruption and therefore greater likelihood of ransom payment. Due to the group's limited operational history and the absence of formal attribution or technical reporting from authoritative cybersecurity bodies, specific details regarding initial access vectors, tooling, encryption methodology, and affiliation structures cannot be responsibly stated at this time. Black X should be considered an emerging and closely monitored threat, and organizations operating in the identified target sectors and regions are advised to maintain heightened defensive posture pending further intelligence development. The group has been linked to 10 public disclosures across our corpus. First observed on a leak site on June 2, 2026; most recent post August 30, 2026. The operation is currently active.

Timeline of this disclosure

  • August 30, 2026i-one listed by Black Xon the group's public leak site

Other recent disclosures by Black X

Black X has been linked to 10 public victims on Darkfield. A sample of the most recent:

See the full Black X dossier →

Sector and geography

Geographically, i-one is reported in South Korea, a country with 19 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Black X means i-one appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, KrCERT/CC (South Korea), as required for your jurisdiction.
  • Monitor for the data appearing on Black X's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.