This record tracks a ransomware attack claimed by the
qilin group against
CMS Communications. 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.
-83days
t1 · Published
t2 · Disclosed
Business Category
Communication / Marketing
Published
December 04, 2023
Disclosed / Notified
Sep 13, 2023
Attack Summary
CMS Solutions, founded in 1985, is a communications solutions provider. It offers new and refurbished voice, data, mobile products, advanced IP telephone systems and technical support. CMS Solutions serves a wide range of organizations from m ...
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 cmsc.com
— indexed by HaveIBeenRansom.
375
found in Infostealer logs
1,491+
found in Traditional breaches
115+
found in Ransomware leaks
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limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
OnlinerSpambot_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Apollo.io DB 816millions.rar
Database World ROC · breach
••• emails
Access Intelligence
play · ransomware
••• emails
AntiPublic_BF.7z
B F R e p o V 3 F i l e s · 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.