Was granbyindustries.com hit by ransomware?

granbyindustries.com was listed by the Black Basta ransomware operation (United States), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Black Basta ransomware group?

Black Basta is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the granbyindustries.com breach?

Black Basta published data attributed to granbyindustries.com (~1.2 TB). Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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granbyindustries.com

Claimed by Black Basta · listed 2 years ago

1.2 TB

Data size

18m

Age

since listed · data leaked

Status timeline

ListedJan 11, 2025
Data leakeddate unknown

At a glance

Group: Black Basta
Status: Data leaked
Country: United States
Sector: Manufacturing
Listed on leak site: Jan 11, 2025
Data size: 1.2 TB

About the victim

AI dossier — public-source company profile

Granby Industries is a North American manufacturer and distributor of storage tanks and heating products, founded in 1954 and headquartered in Cowansville, Quebec, Canada. The company serves residential and commercial markets across the United States and Canada, offering fiberglass and steel tanks for fuel, oil, diesel, and biofuel storage, along with accessories and related products.

Industry: Manufacturing & Distribution – Storage Tanks and Heating Products
Address: 98 rue des Industries, Cowansville, Quebec J2K 0A1, Canada
Founded: 1954

Attack summary

Severity: high — Confirmed exfiltration of 1.2 TB including employee PII, tax records, financial/accounting data, and proprietary engineering designs. Data published; significant operational and privacy impact.

Black Basta claims to have exfiltrated approximately 1.2 TB of data from Granby Industries, including corporate financial records, employee personal data, HR documents, tax forms, and R&D/engineering designs and project files.

high

Data the group says was taken

AI dossier — extracted from the leak post

Corporate and financial data
Accounting and payroll records
Employee personal information and documents
HR forms and tax documentation
R&D and engineering designs
Project files

What the group claims

Granby Industries, founded in 1954, is a leading manufacturer and distributor of storage tanks and heating products in North America. The company is headquartered in Cowansville, Quebec, Canada, and operates primarily in the United States and Canada.SITE: www.granbyindustries.comADDRESS: 98, rue des Industries Cowansville, Quebec J2K 0A1 CanadaTEL#: (800) 839-2070ALL DATA SIZE: ≈1.2tb 1. Corp data, Financial data, Accounting, Payroll 2. Personal employees data and documents 3. Human Resources, Personal info forms, Tax forms 4. R&D, Engeneering, Drawings, Projects & etc…

Sources

Victim sitegranbyindustries.com

Source

Indexed 2 years 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 Basta

Black Basta is a financially motivated ransomware group that emerged in April 2022 and has since compromised approximately 800 organizations worldwide. The group operates as a Ransomware-as-a-Service (RaaS) model with suspected ties to the now-defunct Conti ransomware operation, though their exact country of origin remains unconfirmed by law enforcement agencies. Black Basta primarily gains initial access through phishing campaigns, exploitation of known vulnerabilities, and credential stuffing attacks, subsequently deploying their custom ransomware that employs ChaCha20 encryption algorithm and employs double extortion tactics by exfiltrating sensitive data before encryption and threatening to publish it on their leak site if ransom demands are not met. The group has demonstrated a preference for targeting organizations in the United States, United Kingdom, Germany, Canada, and Italy, with a particular focus on business services, manufacturing, technology, healthcare, and agriculture sectors. Notable victims have included various healthcare systems and manufacturing companies, though specific ransom amounts and high-profile attacks have not been widely disclosed in public law enforcement advisories. As of 2024, Black Basta remains an active threat with continued operations and regular updates to their leak site indicating ongoing compromise activities. The group has been linked to 1,323 public disclosures across our corpus. First observed on a leak site on April 26, 2022; most recent post January 11, 2025. The operation is currently inactive.

Also tracked as: BlackBasta.

Timeline of this disclosure

January 11, 2025granbyindustries.com listed by Black Bastaon the group's public leak site

Data size: 1.2 TB

Other recent disclosures by Black Basta

Black Basta has been linked to 1,323 public victims on Darkfield. A sample of the most recent:

See the full Black Basta dossier →

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, granbyindustries.com is reported in United States, a country with 11,033 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Black Basta means granbyindustries.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, CISA (United States), as required for your jurisdiction.
Monitor for the data appearing on Black Basta'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.