BreachCensus

medusa

First seen January 11, 2023Active518 claimed victims

The claims below are reproduced as posted by medusa 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

Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.

Description from ransomware.live.

Claimed victims (as posted by the group — unverified)

Victim (as posted)Claimed onSourcePress coverage
MESA ProductsFebruary 13, 2026ransomware_live—
Grandview Family MedicineFebruary 8, 2026ransomware_live—
Comune di BattipagliaFebruary 2, 2026ransomware_live—
South Hays Fire DepartmentJanuary 29, 2026ransomware_live—
Balloons EverywhereJanuary 29, 2026ransomware_live—
Resource Corporation of AmericaJanuary 4, 2026ransomware_live—
JBSDecember 23, 2025ransomware_live—
Callipo GroupDecember 17, 2025ransomware_live—
Shamrock TechnologiesDecember 13, 2025ransomware_live—
Sampoerna AgroDecember 13, 2025ransomware_live—
Thunder Bay CounsellingDecember 13, 2025ransomware_live—
Concord AcademyNovember 28, 2025ransomware_live—
WR ComercialNovember 24, 2025ransomware_live—
Universidade Municipal de São CaetanoNovember 24, 2025ransomware_live—
Nationwide Legal LLCNovember 17, 2025ransomware_live—
MFE Formwork TechnologyNovember 17, 2025ransomware_live—
FDC InteriorsNovember 17, 2025ransomware_live—
General DistributingNovember 17, 2025ransomware_live—
Atrium Living CentersNovember 8, 2025ransomware_live—
PT Kalimantan Prima PersadaNovember 6, 2025ransomware_live—
Oscars GroupNovember 5, 2025ransomware_live—
LaRosa’s PizzeriaNovember 5, 2025ransomware_live—
Clackamas Community CollegeOctober 29, 2025ransomware_live—
Simon Property GroupOctober 28, 2025ransomware_live—
Alissa GroupOctober 22, 2025ransomware_live—
Cooperativa Esercenti Farmacia ScrlOctober 22, 2025ransomware_live—
ATIRGOctober 22, 2025ransomware_live—
Adore Children and Family ServicesOctober 22, 2025ransomware_live—
DALCANSOctober 19, 2025ransomware_live—
Linxx Global SolutionsOctober 19, 2025ransomware_live—
ImagicleOctober 19, 2025ransomware_live—
CemtrexOctober 13, 2025ransomware_live—
EcoPetróleoOctober 12, 2025ransomware_live—
Design To PrintOctober 12, 2025ransomware_live—
LA VOIE EXPRESSOctober 12, 2025ransomware_live—
Leprohon (Image !)October 9, 2025ransomware_live—
Lux Actuaries & ConsultantsOctober 7, 2025ransomware_live—
LGBOctober 3, 2025ransomware_live—
LeprohonOctober 3, 2025ransomware_live—
Future GeneraliSeptember 27, 2025ransomware_live—
Insightin HealthSeptember 26, 2025ransomware_live—
OrganonSeptember 26, 2025ransomware_live—
ComcastSeptember 26, 2025ransomware_live—
CCMCSeptember 23, 2025ransomware_live—
CaririSeptember 8, 2025ransomware_live—
Rad-Solutions, LLCSeptember 6, 2025ransomware_live—
TEAM GROUPSeptember 1, 2025ransomware_live—
LevelSeptember 1, 2025ransomware_live—
AldagiAugust 26, 2025ransomware_live—
FlorarteAugust 17, 2025ransomware_live—
Expert E-commerce GmbHAugust 17, 2025ransomware_live—
PANSARD & ASSOCIESAugust 6, 2025ransomware_live—
White Coffee CorporationJuly 30, 2025ransomware_live—
Franklin Pierce SchoolsJuly 30, 2025ransomware_live—
Prosecuting Attorneys' Council of GeorgiaJuly 3, 2025ransomware_live—
SermoJuly 1, 2025ransomware_live—
Southwest CARE CenterJune 27, 2025ransomware_live—
Sun DirectJune 13, 2025ransomware_live—
R&W EngineeringJune 13, 2025ransomware_live—
San Jose Country ClubJune 9, 2025ransomware_live—
Hartwig Mechanical IncJune 9, 2025ransomware_live—
BumfordsJune 9, 2025ransomware_live—
Town of North Providence Rhode Island corporate officeMay 30, 2025ransomware_live—
RE/MAXMay 27, 2025ransomware_live—
Presort First ClassMay 27, 2025ransomware_live—
Bailey'sMay 27, 2025ransomware_live—
DSI TechMay 14, 2025ransomware_live—
DeVita & Associates, Inc.May 13, 2025ransomware_live—
Nottingham ConstructionMay 13, 2025ransomware_live—
Trindel Insurance FundMay 12, 2025ransomware_live—
Russell Child Development CenterMay 6, 2025ransomware_live—
Lake Shore PavingMay 6, 2025ransomware_live—
Weil Construction, IncMay 1, 2025ransomware_live—
Appalachian Regional CommissionApril 24, 2025ransomware_live—
Conditioned Air CorporationApril 24, 2025ransomware_live—
Phelps UnitedApril 22, 2025ransomware_live—
Matthews LawApril 22, 2025ransomware_live—
MRC de Maskinongé - districtApril 19, 2025ransomware_live—
Lithium Americas NevadaApril 16, 2025ransomware_live—
Pawnee Heights Unified School DistrictApril 14, 2025ransomware_live—
Fall River Public SchoolsApril 12, 2025ransomware_live—
National Association for Stock Car Auto RacingApril 8, 2025ransomware_live—
Pulse Urgent CareApril 8, 2025ransomware_live—
Bridgebank LimitedApril 8, 2025ransomware_live—
McFarland Commercial Insurance ServicesApril 8, 2025ransomware_live—
FS Tool CorporationApril 1, 2025ransomware_live—
Krypton SolutionsApril 1, 2025ransomware_live—
O'Shea BuildersMarch 28, 2025ransomware_live—
Business Software SolutionsMarch 24, 2025ransomware_live—
Family Health Services, IncMarch 24, 2025ransomware_live—
AutoCanadaMarch 23, 2025ransomware_live—
Advance Tapes InternationalMarch 21, 2025ransomware_live—
Big Horn County School District #4March 19, 2025ransomware_live—
J McCann & Co LtdMarch 19, 2025ransomware_live—
Champions GroupMarch 19, 2025ransomware_live—
Augusta Industrial Services, Inc.March 17, 2025ransomware_live—
National Safety CouncilMarch 17, 2025ransomware_live—
Coldwell Banker D’Ann Harper, REALTORSMarch 16, 2025ransomware_live—
SRP Companies (Second lock! + Company scam!)March 16, 2025ransomware_live—
Karen S PouliotMarch 13, 2025ransomware_live—
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Claim data from ransomware.live and RansomLook (CC BY 4.0).