This record tracks a ransomware attack claimed by the
medusa group against
Karam Chand Thapar & Bros Coal Sales. 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.
988days open
t1 · Published
t2 · Pending
Business Category
Retail / E-commerce
Published
October 02, 2023
Disclosed / Notified
Not disclosed yet
Attack Summary
Karam Chand Thapar & Bros Coal Sales - it is the flagship company of the KCT Group of companies. It was founded by the late Karam Chand Axe in 1943. Today, the company provides coal services and logistics.The company's office is located 25 Brabourne Rd, Kolkata, West Bengal, 700084, India
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 kctgroup.com
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
97+
found in Traditional breaches
1+
found in Ransomware leaks
IndiaMART_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
TruecallerIndia_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
Paytm_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
zauba Private limited companies.xlsx
tni.mil.id · breach
••• emails
Dump_public_zomato.com_2017.05.17.rar
Database World ROC · breach
••• emails
+ 11 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.