This record tracks a ransomware attack claimed by the
metaencryptor group against
Corona Corporation. 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.
0days open
t1 · Published
t2 · Pending
Business Category
Retail / E-commerce
Published
August 23, 2026
Disclosed / Notified
Not disclosed yet
Attack Summary
The company specializes in creating a comfortable home environment, focusing on heating, cooling and hot water technologies.
It was founded at April 1937, and now have more than 2000 employee.
Corona Corporation is stock listed, ticker 5909.T at Tokyo Stock Exchange (Standard)
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 corona.co.jp
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
44+
found in Traditional breaches
0+
found in Ransomware leaks
pureincubation-com.7z.001
Database World ROC · breach
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
JP- LINES.txt
DBs Backup · breach
••• emails
148GB (193).txt
DBs Backup · breach
••• emails
Canva_BF_.7z.001
Database World ROC · breach
••• emails
Peatix_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
148GB (32).txt
DBs Backup · breach
••• emails
100.rar
DBs Backup · breach
••• emails
+ 1 more leak sources locked
Leak volumes are locked
Sign in to reveal how many records each source exposed and the remaining 4 sources.
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.