This record tracks a ransomware attack claimed by the
threeam group against
guardianbarrierservices.com. 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.
-37days
t1 · Published
t2 · Disclosed
Business Category
Transportation / Travel / Logistics
Disclosed / Notified
May 23, 2026
Attack Summary
Guardian Barrier Services provides a wide range of products and services for events, including crowd control barriers, cable ramps, truss structures, and temporary flooring. Their experienced team supports clients from the planning stage to the ex
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 guardianbarrierservices.com
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
19+
found in Traditional breaches
45+
found in Ransomware leaks
National Business Furniture
medusa · ransomware
••• emails
TAPAir_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
H&H Group
medusa · ransomware
••• emails
TAPAir_BF_.7z.001
Database World ROC · breach
••• emails
Dumont Printing
akira · ransomware
••• emails
Ticketfly_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
TAPAirPortugal_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
+ 3 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.