This record tracks a ransomware attack claimed by the
worldleaks group against
Interplan. 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.
-72days
t1 · Published
t2 · Disclosed
Business Category
Services
Published
January 21, 2026
Disclosed / Notified
Nov 10, 2025
Attack Summary
[AI generated] Interplan is a leading international architecture and engineering firm that offers comprehensive planning and design services. Its services include the planning, development, and implementation of construction projects, covering various markets like hotels, nursing homes, and retail facilities. Their professional team brings together architects, interior designers, engineers, and planners to execute unique, efficient, cost-effective, and sustainable solutions for their clients.
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 interplan.de
— indexed by HaveIBeenRansom.
3
found in Infostealer logs
265+
found in Traditional breaches
28+
found in Ransomware leaks
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
pureincubation-com.7z.001
Database World ROC · breach
••• emails
Access Intelligence
play · ransomware
••• emails
linkedIN_2.7z.001
Database World ROC · breach
••• emails
Dropbox_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Canva_BF_.7z.001
Database World ROC · breach
••• emails
TAPAir_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
Sign in to reveal how many records each source exposed and the remaining 20 sources.
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.