This record tracks a ransomware attack claimed by the
qilin group against
cityofbelvedere.org. 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.
-42days
t1 · Published
t2 · Disclosed
Business Category
Public Sector
Disclosed / Notified
Apr 09, 2025
Attack Summary
All data of this company will be available for download on 18.06.2025.Belvedere is one of the smallest and oldest cities in California. It was incorporated in 1896 and is located north of San Francisco across the Golden Gate Bridge in Marin C ...
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 cityofbelvedere.org
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
183
found in Traditional breaches
23
found in Ransomware leaks
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
BlueLeaks
ddosecret · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
National Business Furniture
medusa · ransomware
••• emails
CSCGLOBAL.COM
clop · ransomware
••• emails
@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
Database World ROC · breach
••• emails
+ 17 more leak sources 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.