This record tracks a ransomware attack claimed by the
lockbit3 group against
lyon.co.uk. 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.
-73days
t1 · Published
t2 · Disclosed
Published
February 12, 2024
Disclosed / Notified
Dec 02, 2023
Attack Summary
ABOUT LYON EQUIPMENTWhere did Lyon come from?Way back in 1965, Ben Lyon, aided by engineer brother Graham, started making caving ladders. The name 'Lyon Ladders' was registered in 1973.In the same year Ben, with Mike Meredith, took a party of...
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 lyon.co.uk
— indexed by HaveIBeenRansom.
10
found in Infostealer logs
234+
found in Traditional breaches
1+
found in Ransomware leaks
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
Database World ROC · breach
••• emails
Apollo.io DB 816millions.rar
Database World ROC · breach
••• emails
Data4marketers) Special K Data Feed Spam List.part01.rar
Anonymous Russia БД · breach
••• emails
AntiPublic_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
OnlinerSpambot_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
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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.