This record tracks a ransomware attack claimed by the
everest group against
Exegy. 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.
-91days
t1 · Published
t2 · Disclosed
Business Category
Services
Published
December 02, 2025
Disclosed / Notified
Sep 03, 2025
Attack Summary
[AI generated] Exegy, Inc. is a technology firm providing managed services and real-time market data solutions. The company delivers hardware-accelerated appliances, cloud-based services, and historical market data for applications in trading, risk management, and market surveillance. Exegy serves firms globally in the financial services sector, including traders, market makers, and brokers.
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 exegy.com
— indexed by HaveIBeenRansom.
3
found in Infostealer logs
1,882+
found in Traditional breaches
291+
found in Ransomware leaks
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@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
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••• emails
Dropbox_BF.7z
B F R e p o V 3 F i l e s · 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.