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Listed on a ransomware leak site

CareSTL Health

carestlhealth.org

CareSTL Health was listed on the Cephalus and Kawa4096 leak site on Jun 28, 2025. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: United StatesIndustry: Healthcare
Updated continuously · figures as of Oct 19, 2026
Claimed by
Cephalus, Kawa4096
First listed
Jun 28, 2025
Claims recorded
2

2 Leak-Site Claims.

CephalusConfirmed claim
Posted on the leak site
Jun 28, 2025
Collected by Brandefense
Aug 26, 2025
Data claimed
Not stated
Leak-site post text, written by the group
CareSTL Health DATA Leak | 500+GB | KAWA4096 STEALED our data
Kawa4096Confirmed claim
Posted on the leak site
Jun 28, 2025
Collected by Brandefense
Jul 22, 2025
Data claimed
Not stated

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
One-LUX
one-lux.com
CephalusGBUnited KingdomUnknownNot stated
One-LUX
one-lux.com
CephalusGBUnited KingdomUnknownNot stated
Shropdoc
shropdoc.org.uk
CephalusGBUnited KingdomUnknownNot stated
Shropdoc
shropdoc.org.uk
CephalusGBUnited KingdomUnknownNot stated
Shelbourne Accountants
shelbourneaccountants.ie
CephalusIEIrelandUnknownNot stated
Shelbourne Accountants
shelbourneaccountants.ie
CephalusIEIrelandUnknownNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
Kingwood Endoscopy
mhendokingwood.com
N0nUSUnited StatesHealthcareNot stated
Mastelli S.r.l.
mastelli.com
QilinITItalyHealthcareNot stated
First Dental Health
firstdentalhealth.com
The GentlemenUSUnited StatesHealthcareNot stated
Gio Dental Med Spa
giodentalspa.com
The GentlemenMXMexicoHealthcareNot stated
EnVision Eye Care
envision-eyecare.com
N0nUSUnited StatesHealthcareNot stated
Hospital Sírio-Libanês
hsl.org.br
The-seven-deadly-sinsBRBrazilHealthcare3.5 MB

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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.