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Klingelnberg

listed as klingLnberg.in · Claimed by Blackshrantac · listed 10 months ago

2 TB
Data size
10m
Age
since listed · data leaked

Status timeline

  1. ListedSep 18, 2025
  2. Data leakeddate unknown

At a glance

Group
Blackshrantac
Status
Data leaked
Country
India
Listed on leak site
Sep 18, 2025
Data size
2 TB

About the victim

AI dossier — public-source company profile

Klingelnberg is a precision engineering company specialising in the development and manufacture of bevel gear cutting machines, cylindrical gear grinding machines, and related metrology systems. The domain klingelnberg.in suggests an Indian subsidiary or regional presence of the Swiss-headquartered Klingelnberg Group. The company serves the automotive, aerospace, and industrial machinery sectors globally.

Industry
Precision Gear & Bevel Gear Manufacturing

Attack summary

Severity: high — 2 TB of data is claimed to have been published by the threat actor from an industrial precision manufacturing company, suggesting significant exfiltration of potentially sensitive business, engineering, and operational data; however, lack of detail on regulated PII or financial data at scale prevents a 'critical' rating.

The group 'blackshrantac' claims to have exfiltrated approximately 2 TB of data from Klingelnberg's Indian operations, with the data described as published (disclosed status: data_published). No further detail on encryption or specific data categories is provided in the post.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Unspecified exfiltrated corporate data (2 TB)

What the group claims

DATA SIZE : 2TB

Sources

Source

Indexed 10 months 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 blackshrantac

Based on available intelligence, blackshrantac is a recently emerged ransomware group first observed in September 2025, operating with apparent financial motivations and demonstrating a geographically diverse targeting approach across multiple continents. The group has victimized 43 known entities primarily across India, the United States, Turkey, Peru, and Australia, suggesting either a broad opportunistic targeting strategy or access to varied initial compromise vectors that span different regions. Their sector targeting shows a preference for manufacturing, technology, financial services, and public sector organizations, though a significant portion of their attacks have occurred against entities in unspecified sectors, indicating either incomplete intelligence gathering or deliberate obfuscation of their targeting patterns. Due to the group's recent emergence and relatively limited public exposure, detailed information about their specific attack methodologies, tooling, encryption techniques, data exfiltration practices, or operational structure remains largely undocumented by major threat intelligence organizations and law enforcement agencies. The group's current operational status appears to be active given their recent first observation date, though the limited intelligence available suggests they may be either a smaller operation or have successfully maintained a lower profile compared to more established ransomware groups. The group has been linked to 43 public disclosures across our corpus. First observed on a leak site on September 17, 2025; most recent post January 20, 2026. The operation is currently active.

Timeline of this disclosure

  • September 18, 2025klingLnberg.in listed by blackshrantacon the group's public leak site
Data size
2 TB

Other recent disclosures by blackshrantac

blackshrantac has been linked to 43 public victims on Darkfield. A sample of the most recent:

See the full blackshrantac dossier →

Sector and geography

Geographically, klingLnberg.in is reported in India, a country with 381 ransomware disclosures in our corpus.

If your organisation is affected

A listing by blackshrantac means klingLnberg.in 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, CERT-In (India), as required for your jurisdiction.
  • Monitor for the data appearing on blackshrantac'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.