This record tracks a ransomware attack claimed by the
sinobi group against
Power Curbers. 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.
182days open
t1 · Published
t2 · Pending
Published
December 16, 2025
Disclosed / Notified
Not disclosed yet
Attack Summary
Established in 1953 in Salisbury, NC, Power Curbers manufactured the worlds first automatic curb machine. The original machines, extruders used in forming small curbs, are still manufactured as the Power Curber 150 extruder.
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 powercurbers.com
— indexed by HaveIBeenRansom.
1
found in Infostealer logs
729+
found in Traditional breaches
37+
found in Ransomware leaks
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••• emails
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••• emails
Stratfor emails
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••• emails
limeleads_breach.7z
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••• emails
Arandell Corp
medusa · ransomware
••• emails
contacts_2.csv
Database World ROC · breach
••• emails
Data4marketers) Special K Data Feed Spam List.part01.rar
Anonymous Russia БД · breach
••• emails
+ 17 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.