Disclosure context

About J

The J ransomware group is a newly emerged threat actor first observed in May 2025, operating with apparent financial motivations based on their targeting patterns across multiple countries and sectors. With limited public documentation available from established security research organizations, the group has demonstrated rapid operational capability by compromising 41 known victims within their initial months of activity. Their targeting strategy appears opportunistic, focusing primarily on organizations in the United States, United Kingdom, France, Argentina, and Germany, with a particular emphasis on technology companies, manufacturing firms, construction businesses, and business services providers. The diversity of their geographic and sectoral targeting suggests either a broad-spectrum approach to victim selection or potential use of automated tools for initial compromise identification. Given the recent emergence of this group and limited reporting from major cybersecurity firms and law enforcement agencies, specific details regarding their technical methodologies, ransom demands, data exfiltration practices, or organizational structure remain undocumented in publicly available threat intelligence. The group remains active as of current reporting periods, though their relative obscurity in established threat intelligence databases suggests they may be operating at a smaller scale compared to more prominent ransomware-as-a-service operations. The group has been linked to 41 public disclosures across our corpus. First observed on a leak site on May 2, 2025; most recent post November 9, 2025. The operation is currently inactive.

Timeline of this disclosure

July 31, 2025bridgerecruit.co.uk listed by Jon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Business Services sector, which has 2,640 disclosures indexed across all operators we track. Geographically, bridgerecruit.co.uk is reported in United Kingdom, a country with 902 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

Bridge Recruitment Services Ltd

listed as bridgerecruit.co.uk · Claimed by J · listed 10 months ago

Age

since listed · data leaked

Status timeline

Listed
Jul 31, 2025
Data leaked

At a glance

Group: J
Status: Data leaked
Country: United Kingdom
Sector: Business Services
Listed on leak site: Jul 31, 2025

About the victim

AI dossier — public-source company profile

Bridge Recruitment Services Ltd is a UK-based specialist recruitment agency providing temporary and permanent staffing solutions primarily to the construction, freight, and commercial industries. Operating for over 10 years, they supply personnel across trades including general labour, project management, M&E, shopfitting, and security roles to SMEs and major contractors.

Industry: Recruitment & Staffing Services
Address: 4 Grove House, Church Road, Ashford, Surrey, TW15 2UD, United Kingdom

Attack summary

Severity: low — No proof files, screenshots, or specific data inventory disclosed. Post is announcement only with no evidence of operational impact or data exfiltration.

The ransomware operator claims to have conducted an attack on Bridge Recruitment; however, the leak post contains only generic, AI-generated descriptive text with no specific details about data exfiltration, encryption, or proof of compromise.

low

Original description

AI-summarised, not from the leak post

"Bridgerecruit.co.uk", also known as Bridge Recruitment, is a UK-based recruitment firm specializing in sectors including IT, Fire & Security, M&E, HVAC, and Facilities Management. The company provides innovative and efficient recruitment solutions, connecting top-notch employers with skilled candidates. They serve both the UK domestic market and international clients, providing a comprehensive range of recruitment services.

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.