Disclosure context

About Quantum

Quantum is a ransomware group that emerged in September 2021, operating with primarily financial motivations and demonstrating a focus on high-value targets across English-speaking nations. The group's geographic targeting patterns and operational characteristics suggest possible connections to established ransomware ecosystems, though specific attribution or confirmed affiliations with other threat actors remain undocumented in public reporting. Quantum operators typically employ double extortion tactics, combining data encryption with the threat of public data exposure to maximize pressure on victims, and their campaigns have consistently targeted sectors with critical operational dependencies including business services, manufacturing, and information technology infrastructure. The group has maintained a relatively low public profile compared to other major ransomware operations, with their 68 documented victims representing a more selective approach to target acquisition rather than broad-scale campaigns. Despite limited public law enforcement reporting specifically focused on Quantum operations, the group's continued activity pattern suggests they remain an active threat as of recent observations, though comprehensive operational details remain scarce in publicly available threat intelligence reporting. The group has been linked to 68 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post January 16, 2024. The operation is currently inactive.

Also tracked as: QuantumLocker, Mount Locker, DagonLocker.

Timeline of this disclosure

July 18, 2022Broshuis | Driving innovation listed by Quantumon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Advertising, Marketing & Public Relations sector, which has 6 disclosures indexed across all operators we track. Geographically, Broshuis | Driving innovation is reported in United States, a country with 7,392 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

← All victims

Broshuis B.V.

listed as Broshuis | Driving innovation · Claimed by Quantum · listed 4 years ago

46m

Age

since listed · data leaked

Status timeline

Listed
Jul 18, 2022
Data leaked

At a glance

Group: Quantum
Status: Data leaked
Country: United States
Sector: Advertising, Marketing & Public Relations
Listed on leak site: Jul 18, 2022

About the victim

AI dossier — public-source company profile

Broshuis B.V. is a 100% family-owned Dutch company and one of the largest specialty trailer manufacturers in Europe. The company designs and produces heavy-duty and specialty transport trailers. It operates primarily in the European heavy transport and logistics equipment sector.

Industry: Specialty Trailer Manufacturing
Address: Netherlands

Attack summary

Severity: high — Data has been published by the threat actor, confirming exfiltration of business data from a manufacturing company. While the specific data types and scale are not detailed, the confirmed publication of data elevates severity to high.

The Quantum ransomware group claims to have attacked Broshuis B.V. and has published data (disclosed status: data_published), suggesting exfiltration of company data, though the specific volume and nature of the data exfiltrated are not detailed in the leak post.

high

What the group claims

Broshuis B.V. is a 100% family owned, Dutch company and one of the largest specialty trailer manufacturers in Europe.

Source

Indexed 4 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.