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 56 public disclosures across our corpus. First observed on a leak site on July 1, 2024; most recent post May 13, 2026. The operation is currently active.

Also tracked as: brain cipher.

Timeline of this disclosure

October 29, 2025fsbgroup.ca listed by Braincipheron the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Financial Services sector, which has 516 disclosures indexed across all operators we track. Geographically, fsbgroup.ca is reported in Canada, a country with 810 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

FSB Group Ltd.

listed as fsbgroup.ca · Claimed by Braincipher · listed 7 months ago

Age

since listed · data leaked

Status timeline

Listed
Oct 29, 2025
Data leaked

At a glance

Group: Braincipher
Status: Data leaked
Country: Canada
Sector: Financial Services
Listed on leak site: Oct 29, 2025

About the victim

AI dossier — public-source company profile

FSB Group Ltd. is a Canadian insurance brokerage based in Ontario (phone area code 905), offering a comprehensive range of commercial and personal insurance products. Their commercial lines include realty, contractors, manufacturing, trucking/transportation, and cyber insurance, while personal lines cover auto, home, condominium, and high-net-worth coverage. They act as an intermediary working with leading Canadian insurers to tailor coverage for both businesses and individuals.

Industry: Insurance Brokerage

Attack summary

Severity: critical — Over 1 TB of data has been fully published by the threat actor. As an insurance broker, FSB Group Ltd. holds regulated PII, financial records, and sensitive commercial data for a large number of individual and business clients, representing a critical-scale regulated data breach.

Braincipher claims to have exfiltrated more than 1 TB of data from FSB Group Ltd. and has published multiple onion-hosted download links, indicating the full dataset has been released publicly.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Client insurance records
Personal identification information (PII)
Commercial business data
Financial and policy documents
Employee records
Internal business files

The group's post references roughly 10 proof files.

Original description

AI-summarised, not from the leak post

N/A

The leak post

captured from the group's site

We have more 1TB of data. If you think you are here by mistake, please contact us at [email protected] 
⏳ 11d 22h 39m 6s remaining 
Download: 3fg2gfwrdks46drwvejpgpak5klrflclsjjo35dxtqfk3poeez6oezad.onion If you think you are here by mistake, please contact us at [email protected] 
Download: emdnfl2fv32jhssxcbxlo6dzg2at4d7qbw2md6inz63qzdfgyln5cwyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: a4vbe7yp4kluped6khuhpr5nmzshiimx2jt5j22ozriiq6ngsm3fcpyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: x3nb7qcygpem2j5xzstyzdtgzofzkwkx4eko3ug4r73i6uhcgvyffjyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: 3frnhzcnlkjnw5q3tm6elzizinm2k3bmrtf2xwqjzpcxzeqwn2tv6wyd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: 6ft2dfh26wm3w44orpjcgviutvfp25ez2iyh5ego5egvfmifrws7vvqd.onion If you think you are here by mistake, please contact us at [email protected] 
Download: zijgmuqjzb6dc7pofxhtaiz36qqyg35lhutybmzaz6whzgei2casjgid.onion If you think…

Sources

Source

Indexed 7 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.