Skip to content

Search Ransomware Intelligence

Jump to a group, country, industry or search victims.

Listed on a ransomware leak site

MUELLER SYSTEMS

muellersystems.com

MUELLER SYSTEMS was listed on the LockBit 3.0 leak site on Nov 12, 2023. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
LockBit 3.0
First listed
Nov 12, 2023
Claims recorded
2

2 Leak-Site Claims.

LockBit 3.0Confirmed claim
Posted on the leak site
Mar 2, 2024
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
empower water utilities to boost profitabilitycustomer satisfactionoperational efficiency maximize revenue recovery and customer satisfaction with mueller systems® advanced metering infrastructure (ami) solution. streamline your meter reading-to-billing process, enhance
LockBit 3.0Confirmed claim
Posted on the leak site
Nov 12, 2023
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Mueller Systems is a manufacturer and distributor of advanced metering infrastructure and automatic meter reading technology, as well as residential, commercial and fire-line meters and related products. It is a subsidiary of Mueller Water Products....

Get alerted the moment your company or a supplier is posted on a leak site.

Alert me
Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
ispace.com
ispace.com
LockBit 3.0INIndiaConsultingNot stated
fosterfarms.com
fosterfarms.com
LockBit 3.0USUnited StatesFood and BeverageNot stated
lyonhealy.com
lyonhealy.com
LockBit 3.0USUnited StatesMedia and EntertainmentNot stated
sandycove.org
sandycove.org
LockBit 3.0USUnited StatesNon-profit and Civil SocietyNot stated
tucsoneyecare.com
tucsoneyecare.com
LockBit 3.0USUnited StatesHealthcareNot stated
crispinvalve.com
crispinvalve.com
LockBit 3.0USUnited StatesUnknownNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
GTL Concreto e Logística LTDA
gtlconcreto.com.br
EmperadorBRBrazilManufacturing2 GB
American Campus
americancampus.com
HelixUSUnited StatesConstructionNot stated
POWERsonic Industries Inc.AuroraCACanadaManufacturingNot stated
SMIC US Company (Sunnyvale, CA, US arm of Semiconductor Manufacturing International Corpo...
smics.com
N0nCNChinaManufacturingNot stated
mckenneys
mckenneys.com
Iah6477USUnited StatesConstruction295.9 GB
Pergande
pergande.de
QilinDEGermanyManufacturingNot stated

Get Real-Time Alerts, IOC Feeds And Takedowns.

The Brandefense platform watches every leak site for your company, vendors and executives, and acts on what it finds.

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.