BreachCensus

brotherhood

First seen November 15, 2025Active18 claimed victims

The claims below are reproduced as posted by brotherhood on its own leak site. Such claims are frequently wrong or exaggerated, and are unverified. Organisations listed here have not been confirmed to have suffered a breach.

Listed organisation? Contact [email protected].

Profile

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.

Description from ransomware.live.

Claimed victims (as posted by the group — unverified)

Victim (as posted)Claimed onSourcePress coverage
Italgrafica SistemiJanuary 6, 2026ransomware_live—
häussermann stauden gehölze gmbhDecember 10, 2025ransomware_live—
Ingenieurbüro LaudiNovember 28, 2025ransomware_live—
Ninas JewelleryNovember 15, 2025ransomware_live—
Kaener PersonalNovember 15, 2025ransomware_live—
Cera StribleyNovember 15, 2025ransomware_live—
Spoleta ConstructionNovember 15, 2025ransomware_live—
Horst RealtyNovember 15, 2025ransomware_live—
Citizens' Committee for Children of New YorkOctober 11, 2025ransomware_live—
IntegliaOctober 11, 2025ransomware_live—
Coal Industry Social Welfare OrganisationOctober 10, 2025ransomware_live—
Orion Communications and Public RelationsOctober 10, 2025ransomware_live—
Motility SoftwareOctober 10, 2025ransomware_live—
UVJ TechnologiesOctober 10, 2025ransomware_live—
KevmorOctober 10, 2025ransomware_live—
Sternthal Montigny Greenberg St-GermainOctober 10, 2025ransomware_live—
Momentum LogisticsOctober 10, 2025ransomware_live—
Woodmen Valley ChapelApril 4, 2025ransomware_live—

Claim data from ransomware.live and RansomLook (CC BY 4.0).