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

May 1, 2026flbgroup.com listed by BrainCipheron 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, flbgroup.com is reported in GB, a country with 309 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

flbgroup.com

Claimed by BrainCipher · listed 20 days ago

19d

Age

since listed · data leaked

Status timeline

Listed
May 1, 2026
Data leaked

At a glance

Group: BrainCipher
Status: Data leaked
Country: GB
Sector: Business Services
Listed on leak site: May 1, 2026

About the victim

AI dossier — public-source company profile

FLB Group Ltd is a UK-based corporate holding company that owns and operates the Filofax, Letts, and Blueline stationery and organiser brands. The group maintains owned subsidiaries in the US, Germany, France, Italy, and Scandinavia, with manufacturing offices in Hong Kong and over 30 international distributors. It serves as the parent entity for three well-known consumer stationery brands sold globally.

Industry: Stationery, Organiser & Branded Consumer Goods
Employees: 51-200

Attack summary

Severity: high — Over 1 TB of data has been confirmed exfiltrated and published across 10 onion download links, representing a significant confirmed data breach of a multi-national consumer goods group including potential employee, financial, and commercial partner data.

BrainCipher claims to have exfiltrated more than 1 TB of data from FLB Group and has published multiple onion download links indicating the data has been fully released. No encryption claim is explicitly stated; the disclosure status is confirmed data publication.

high

Data the group says was taken

AI dossier — extracted from the leak post

Corporate business data (>1 TB)
Subsidiary operational records
Potentially employee/HR records
Potentially financial/commercial records
Potentially distributor/partner information

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] 
⏳ 12d 8h 29m 41s 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

Victim siteflbgroup.com
Leak posthttp://vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion/n/flbgroup

Source

Indexed 20 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.