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Inactive · #179 by victimsRansomware group

Brotherhood

As of Oct 19, 2026, Brotherhood has listed 18 confirmed victims on its leak site since Apr 4, 2025, 0.1% of all victims tracked by Brandefense. Its most targeted country is United States (38.9% of its victims) and its most targeted sector is Manufacturing.

Brotherhood is a ransomware group that emerged in late 2025, targeting organizations in the US, Canada, and Australia across manufacturing, communications, and construction sectors, operating a Tor-based double-extortion leak site.

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Confirmed Victims
18
Rank By Victims
#179
Last Leak-Site Post
Jan 6, 2026
Top Country
United States
Top Sector
Manufacturing

Victims Posted Per Month.

Brotherhood confirmed victims per month
MonthConfirmed victims
November 20256
December 20251
January 20261
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 2026 (month in progress)0
Updated continuously · figures as of Oct 19, 2026

Latest Brotherhood Victims.

Search all 18 →
Latest confirmed leak-site victims claimed by Brotherhood
VictimCountryIndustryData claimedPosted
Italgrafica Sistemi
konigprint.com
ITItalyManufacturingNot stated
häussermann stauden gehölze gmbh
haeussermann.com
DEGermanyUnknownNot stated
Ingenieurbüro Laudi
ib-laudi.de
DEGermanyUnknownNot stated
Horst Realty
horstrealty.com
USUnited StatesUnknownNot stated
Spoleta Construction
spoleta.com
USUnited StatesUnknownNot stated
Cera Stribley
c-s.com.au
AUAustraliaUnknownNot stated

How They Operate.

Brotherhood's threat actor profile lists 1 malware and tools, with its targets and related actors.

TTPs, CVEs and malware →

Who Brotherhood Targets.

Sectors

  1. Manufacturing15.6%

Countries

  1. USUnited States738.9%
  2. AUAustralia316.7%
  3. CACanada211.1%
  4. DEGermany211.1%
  5. CHSwitzerland15.6%
Shares are of this group's confirmed victims.

History.


  1. First confirmed victim listed on its leak site

  2. Busiest month on record: 9 confirmed victims

  3. First seen in Brandefense data

  4. Most recent leak-site post

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.