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CR Meyer

listed as crmeyer.com · Claimed by BrainCipher · listed 4 days ago

4d
Age
since listed · data leaked

Status timeline

  1. ListedAug 31, 2026
  2. Data leakeddate unknown

At a glance

Group
BrainCipher
Status
Data leaked
Country
Germany
Sector
Professional Services
Listed on leak site
Aug 31, 2026

About the victim

AI dossier — public-source company profile

CR Meyer is a self-performing industrial general contractor founded in 1888, providing design/build, engineering, and construction services across food & beverage, pulp & paper, packaging, oil & gas, power generation, and mining sectors. The company offers a full range of services including boiler services, electrical, piping, millwrighting, and project management.

Industry
Industrial Contracting & Engineering
Founded
1888

Attack summary

Severity: high — Confirmed exfiltration of significant business data at scale (330 GB, 275k files) including proprietary project documentation, bid/tender packages, customer data, and internal financial records from a major industrial contractor. Exposure of client lists and detailed project information poses competitive and operational risks to CR Meyer and its customers.

BrainCipher claims to have exfiltrated approximately 275,000 documents totaling over 330 GB from CR Meyer, including a customer database with records from major clients (Georgia Pacific, Graphic Packaging, Packaging Corporation of America, and others), internal administrative files, and complete project documentation (drawings, specifications, bid documents, purchase orders, invoices, and correspondence).

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Customer database (~250 clients)
  • Client project files (Revit 3D models, drawings, specifications)
  • Bid documents and tender packages
  • Purchase orders and invoices
  • Project schedules and correspondence
  • Internal administration and accounting records
  • Timesheets
  • Occupational safety documentation

Original description

AI-summarised, not from the leak post

N/A

The leak post

captured from the group's site
We have about 275,000(275k) documents and files of your company, with a total size of over 330 GB. The data includes a customer database (~250 customers) — the largest ones are: Georgia Pacific (40 275 files), Graphic Packaging (35 747), Packaging Corporation of America (26 801), Irving Tissue (21 071), Essity (13 093), Molson Coors (9 975), Billerud (6 619), Kraft Foods (4 999), International Paper (4 610), Voith, Graymont, Menasha, UPS (697), Oshkosh Corp, McCain, Caterpillar, DTE Energy, Air Liquide, Burns & McDonnell, Southern Company (Plant Scherer) and hundreds of others; Internal segment (25,230 files) — administration, accounting, timesheets, occupational safety, etc.; For each project—a complete set of documents: drawings (including Revit 3D models), specifications, bid documents (tender packages with commercial proposals), purchase orders (POs), invoices, schedules, and correspondence. If you think you are here by mistake, please contact us at [email protected]
⏳ Deadline: September 12, 2026 at 13:00

Sources

Source

Indexed 4 days 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 Braincipher

Braincipher is a recently emerged ransomware group that was first observed in July 2024, operating with apparent financial motivations and targeting organizations primarily across North America and Europe. The group's origin and potential affiliations remain largely undocumented by major threat intelligence organizations, though their targeting patterns suggest a broad opportunistic approach rather than nation-state backing, likely operating as an independent entity rather than through established ransomware-as-a-service infrastructure. Their attack methodology and specific technical capabilities have not been extensively documented by CISA, FBI, or major security research firms, though their victim distribution across 44 confirmed targets spanning business services, manufacturing, technology, and healthcare sectors indicates a generalist approach to target selection rather than sector-specific expertise. No major high-profile campaigns or significant law enforcement actions have been publicly documented against this group by reputable sources, suggesting either a relatively low-impact operational scale or insufficient intelligence collection on their activities. As of current reporting, the group's operational status remains unclear due to limited public documentation from established threat intelligence sources. The group has been linked to 78 public disclosures across our corpus. First observed on a leak site on July 1, 2024; most recent post August 31, 2026. The operation is currently active.

Also tracked as: brain cipher.

Timeline of this disclosure

  • August 31, 2026crmeyer.com listed by Braincipheron the group's public leak site

Other recent disclosures by Braincipher

Braincipher has been linked to 78 public victims on Darkfield. A sample of the most recent:

See the full Braincipher dossier →

Sector and geography

This disclosure adds to ransomware activity in the Professional Services sector, which has 17 disclosures indexed across all operators we track. Geographically, crmeyer.com is reported in Germany, a country with 393 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Braincipher means crmeyer.com 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-Bund (Germany), as required for your jurisdiction.
  • Monitor for the data appearing on Braincipher'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.