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
EHPADOctober 23, 2023ransomware_live
SafproOctober 23, 2023ransomware_live
Believe ProductionsOctober 16, 2023ransomware_live
Symposia Organizzazione Congressi S.R.LOctober 16, 2023ransomware_live
Global Product SalesOctober 16, 2023ransomware_live
EDBOctober 16, 2023ransomware_live
ATI TraductionOctober 16, 2023ransomware_live
ZOUARY & AssociésOctober 12, 2023ransomware_live
SIMTAOctober 12, 2023ransomware_live
EvasiónOctober 12, 2023ransomware_live
NeodataOctober 12, 2023ransomware_live
Agència Catalana de Notícies (ACN)October 6, 2023ransomware_live
SomagicOctober 3, 2023ransomware_live
Karam Chand Thapar & Bros Coal SalesOctober 2, 2023ransomware_live
WindakOctober 2, 2023ransomware_live
LANDSTAR POWER ONTARIO INCSeptember 26, 2023ransomware_live
Acoustic CenterSeptember 25, 2023ransomware_live
Philippine Health InsuranceSeptember 23, 2023ransomware_live
Franktronics, IncSeptember 23, 2023ransomware_live
Gulf American LinesSeptember 20, 2023ransomware_live
ChaitSeptember 20, 2023ransomware_live
Auckland TransportSeptember 18, 2023ransomware_live
SteripharmaSeptember 11, 2023ransomware_live
Wave HillSeptember 11, 2023ransomware_live
Jules BSeptember 4, 2023ransomware_live
Betton FranceSeptember 4, 2023ransomware_live
SkynetAugust 30, 2023ransomware_live
Aranui CruisesAugust 30, 2023ransomware_live
Axis ElevatorsAugust 25, 2023ransomware_live
Durham FastenersAugust 25, 2023ransomware_live
LEN ItaliaAugust 25, 2023ransomware_live
Sartrouville FranceAugust 19, 2023ransomware_live
The International Civil Defense OrganizationAugust 19, 2023ransomware_live
Novi Pazar put adAugust 19, 2023ransomware_live
Postel SpAAugust 15, 2023ransomware_live
Borets (Levare.com)August 14, 2023ransomware_live
CB Energy AustralliaAugust 14, 2023ransomware_live
Emerson School DistrictAugust 8, 2023ransomware_live
St Landry Parish School BoardJuly 31, 2023ransomware_live
Ace Micromatic GroupJuly 31, 2023ransomware_live
The Sinbad ClubJuly 25, 2023ransomware_live
Cafe BrittJuly 23, 2023ransomware_live
Sun Pain ManagementJuly 23, 2023ransomware_live
Nini Collection Ltd (Nini's Jewels)July 18, 2023ransomware_live
Health Springs Medical CenterJuly 18, 2023ransomware_live
DTD ExpressJuly 18, 2023ransomware_live
Tracker de Colombia SASJuly 7, 2023ransomware_live
Yunus Emre Institute TurkeyJuly 4, 2023ransomware_live
Luna Hotels & ResortsJuly 3, 2023ransomware_live
Mutuelle LMPJuly 3, 2023ransomware_live
Universitas Matthiae Belii associationJune 25, 2023ransomware_live
Real Estate Systems IntegratorJune 25, 2023ransomware_live
Praxis Energy AgentsJune 20, 2023ransomware_live
FHR ElectricJune 19, 2023ransomware_live
Salem Community SchoolsJune 15, 2023ransomware_live
Comisión Nacional de ValoresJune 11, 2023ransomware_live
GAE ConstructionJune 11, 2023ransomware_live
Kramer EnterprisesJune 9, 2023ransomware_live
Tour Partner GroupJune 7, 2023ransomware_live
Concremat constructionsJune 5, 2023ransomware_live
Farmacias Los HidalgosJune 5, 2023ransomware_live
BilgeAdam SoftwareMay 29, 2023ransomware_live
FiduagrariaMay 27, 2023ransomware_live
Trabzonspor Football ClubMay 24, 2023ransomware_live
Leland Campbell LLP law firmMay 23, 2023ransomware_live
Amaszonas S.A.May 23, 2023ransomware_live
SIGMAMay 22, 2023ransomware_live
Loreto NormanhurstMay 22, 2023ransomware_live
Al Tamimi Law FirmMay 19, 2023ransomware_live
BAMSIMay 15, 2023ransomware_live
HostAfricaMay 13, 2023ransomware_live
Wallick CommunitiesMay 12, 2023ransomware_live
Cooperativa de Ahorro y Crédito Ahorrocoop LtdaMay 10, 2023ransomware_live
Sonda (Duplicate with update)May 5, 2023ransomware_live
The Crown Princess Mary Cancer CentreMay 4, 2023ransomware_live
Polat Yol YapMay 2, 2023ransomware_live
Alto Calore Servizi S.p.A.May 2, 2023ransomware_live
Bevan GroupApril 26, 2023ransomware_live
Magnolia Care CenterApril 25, 2023ransomware_live
Bentham & Holroyd LtdApril 24, 2023ransomware_live
WestcoastSmile Dental StudioApril 23, 2023ransomware_live
Uniondale School DistrictApril 17, 2023ransomware_live
Allimand, FranceApril 15, 2023ransomware_live
Scantibodies Laboratory, Inc.April 10, 2023ransomware_live
Atlantic International UniversityApril 7, 2023ransomware_live
Open University of CyprusApril 6, 2023ransomware_live
SondaApril 3, 2023ransomware_live
Arandell CorpApril 2, 2023ransomware_live
Gujarat MineralMarch 24, 2023ransomware_live
Atlas SecurityMarch 21, 2023ransomware_live
Law Firm Vazquez Nava Consultores y Abogados, S.CMarch 18, 2023ransomware_live
National Institute of Ocean TechnologyMarch 16, 2023ransomware_live
LLPGroupMarch 14, 2023ransomware_live
Bishop Luffa SchoolMarch 13, 2023ransomware_live
National Business FurnitureMarch 9, 2023ransomware_live
Garbarino SAICeIMarch 9, 2023ransomware_live
Minneapolis Public SchoolsMarch 7, 2023ransomware_live
The Institute of Space TechnologyMarch 6, 2023ransomware_live
Kenya Airports AuthorityMarch 1, 2023ransomware_live
Moose, Martin, Haynes & LundyFebruary 22, 2023ransomware_live

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