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Ransomware victim disclosure

All victims

M-1 TOOLWORKS

Claimed by Apos · listed 1 year ago

17m
Age
since listed · data leaked

Status timeline

  1. ListedFeb 20, 2025
  2. Data leakeddate unknown

At a glance

Group
Apos
Status
Data leaked
Listed on leak site
Feb 20, 2025

About the victim

AI dossier — public-source company profile

M-1 Tool Works, Inc. is a precision machining company based in McHenry, Illinois, specializing in CNC turning, milling, EDM, and grinding services. They serve aerospace & defense, automotive racing, medical, scientific research, and department of energy sectors, offering prototype to production-volume components from aluminum, stainless steel, and superalloys. The company has operated for over 35 years and maintains FAR 52.204-21 and DFARS compliance.

Industry
Precision CNC Machining & Machine Shop
Address
1419 S. Belden St., McHenry, IL 60050

Attack summary

Severity: low — The leak post contains only a listing with ransom demand; no proof files, screenshots, or specific data inventory are advertised. No operational impact or confirmed data exfiltration is stated.

The ransomware operator claims an attack on M-1 Toolworks and lists a $8,000,000 ransom demand. No specific details on encryption, exfiltration, or proof of data access are provided in the leak post excerpt.

low

What the group claims

🌐 m1toolworks.com💲 8000000📍 United States

Sources

Source

Indexed 1 year 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 apos

The apos ransomware group is a relatively new threat actor that emerged in April 2024, primarily motivated by financial gain through ransomware operations targeting organizations across multiple countries and sectors. Given their recent emergence and limited public documentation, their country of origin and affiliations with other ransomware groups remain unknown, though their targeting pattern suggests they may operate independently rather than as part of a larger ransomware-as-a-service ecosystem. Based on available data, the group has successfully compromised 16 known victims across Brazil, the United States, Argentina, Canada, and France, with a particular focus on technology, healthcare, business services, and manufacturing sectors, though their attack methodology and specific tools remain undocumented by major threat intelligence firms. No notable high-profile campaigns or major ransom payments have been publicly reported by CISA, FBI, Mandiant, or other reputable security researchers, likely due to the group's recent emergence and relatively small victim count. The group appears to remain active as of current reporting, though their limited public footprint suggests they are either a smaller operation or have managed to maintain a low profile in the threat landscape. The group has been linked to 16 public disclosures across our corpus. First observed on a leak site on April 29, 2024; most recent post August 15, 2025. The operation is currently inactive.

Timeline of this disclosure

  • February 20, 2025M-1 TOOLWORKS listed by aposon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Manufacturing sector, which has 3,681 disclosures indexed across all operators we track. Geographically, M-1 TOOLWORKS is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by apos means M-1 TOOLWORKS 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, CISA (United States), as required for your jurisdiction.
  • Monitor for the data appearing on apos'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.