Disclosure context

About thegentlemen

thegentlemen is a ransomware group that emerged in September 2025, operating with apparent financial motivations based on their broad targeting of commercial sectors. The group has documented 267 victims across multiple countries, with primary focus on the United States, Thailand, France, Brazil, and India. Their targeting strategy demonstrates a preference for high-value sectors including manufacturing, technology, healthcare, and financial services organizations. Given the group's recent emergence and limited public documentation from established threat intelligence sources such as CISA, FBI, or major security research firms, specific details regarding their country of origin, operational structure, attack methodologies, encryption techniques, and whether they employ ransomware-as-a-service models remain unclear. The relatively high victim count of 267 in a short operational timeframe since September 2025 suggests either an aggressive campaign pace or potential inflation of victim numbers through affiliate operations, though without corroborating intelligence reports, the group's exact operational capabilities and notable campaigns cannot be definitively established. Current intelligence indicates the group remains active as of late 2025, though comprehensive threat profiling requires additional validated reporting from authoritative cybersecurity sources. The group has been linked to 424 public disclosures across our corpus. First observed on a leak site on September 9, 2025; most recent post May 18, 2026. The operation is currently active.

Also tracked as: the gentlemen.

Timeline of this disclosure

May 9, 2026VeriCon listed by thegentlemenon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Not Found sector, which has 4,859 disclosures indexed across all operators we track. Geographically, VeriCon is reported in NL, a country with 24 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

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VeriCon

Claimed by thegentlemen · listed 12 days ago

11d

Age

since listed · data leaked

Status timeline

Listed
May 9, 2026
Data leaked

At a glance

Group: thegentlemen
Status: Data leaked
Country: NL
Sector: Not Found
Listed on leak site: May 9, 2026

About the victim

AI dossier — public-source company profile

VeriCon is an independent structural engineering consultancy firm headquartered in Veldhoven, Netherlands, founded over 20 years ago by Jos Hoonhout. The firm specialises in designing, calculating, and engineering constructions for civil and utility building projects, with particular expertise in prefabricated concrete, steel, and BIM-based engineering. It serves sectors including residential, commercial real estate, industrial, healthcare, and education.

Industry: Structural Engineering & BIM Consultancy
Address: Veldhoven, Netherlands
Founded: 2004

Attack summary

Severity: high — Data has been published (confirmed exfiltration), which likely includes proprietary structural engineering designs, BIM models, and client project data representing significant business and potentially sensitive construction/infrastructure information.

The group 'thegentlemen' claims to have compromised VeriCon and has published data (disclosed status: data_published), though the leak post does not specify whether encryption occurred or detail the precise nature or volume of the exfiltrated data.

high

Data the group says was taken

AI dossier — extracted from the leak post

Structural design files
Engineering calculations
BIM models
Project documentation
Client records

What the group claims

vericon.nl VeriCon is an independent structural engineering consultancy firm based in Veldhoven, Netherlands, founded over 20 years ago by Jos Hoonhout. The company specializes in designing, calculating, and drawing constructions for civil and utility construction projects. VeriCon is active in BIM and industrial building, with particular expertise in prefabricated concrete and steel constructions. The firm distinguishes itself by integrating innovative solutions into structural designs and providing clients with additional information about constructive elements and building materials beyond standard deliverables.

Sources

Victim sitevericon.nl

Source

Indexed 12 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.