This record tracks a ransomware attack claimed by the
lockbit3 group against
chcm.us. It collects the publicly disclosed attack details — sector, location and
timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAP
Window Zero is the time the breach stayed in the open before
anyone said so — the gap between when the attack was first discovered
on the operator's leak site (t1) and when it was publicly disclosed (t2).
The wider this window, the longer victims, staff and customers were exposed with no warning.
-48days
t1 · Published
t2 · Disclosed
Business Category
Healthcare / Pharma
Published
September 26, 2024
Disclosed / Notified
Aug 10, 2024
Attack Summary
Greetings! Today we are posting here the new company, "College Hospital Costa Mesa". Company Description: College Hospital Costa Mesa is a facility specializing in psychiatric and medical/surgical services as well as outpatient telehealth, and...
Leak Screenshots
SAMPLE
Proof-of-breach screenshots the operator posted from the stolen data. Previews are
redacted and locked — the originals are available on HaveIBeenRansom.
Dark Web Exposure
Findings for chcm.us
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
79+
found in Traditional breaches
54+
found in Ransomware leaks
Televerde
play · ransomware
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
National Business Furniture
medusa · ransomware
••• emails
UnderArmour_BF_.7z.001
Database World ROC · breach
••• emails
Canva_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Canva_BF_.7z.001
Database World ROC · breach
••• emails
+ 16 more leak sources locked
Leak volumes are locked
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Legal Disclaimer:
This ransomware victim record reflects information published on the operator's leak site.
Breach.house does not acquire, download, host, access or redistribute unlawfully obtained data. It indexes only publicly visible information posted by ransomware, breach and infostealer operators and open web sources, without accessing the underlying stolen content. The service supports public awareness, legitimate research and cyber-resilience.