This record tracks a ransomware attack claimed by the
akira group against
Montage Marketing Services. 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.
-53days
t1 · Published
t2 · Disclosed
Business Category
Services
Published
November 03, 2025
Disclosed / Notified
Sep 11, 2025
Attack Summary
Montage Marketing Services is an outsourced contact center specia
lizing in handling peak activity periods and supporting back-offi
ce needs through their Customer Contact Center, Custom Fulfillmen
t Center, and Administrative Services.
We will upload 26gb of corporate documents soon. Employee and cus
tomer information, contracts and agreements, accounting and finan
cial documents, HR files, etc.
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 montagemarketingservices.com
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
35+
found in Traditional breaches
0+
found in Ransomware leaks
Apollo.io DB 816millions.rar
Database World ROC · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
linkedIN_2.7z.001
Database World ROC · breach
••• emails
contacts_90.csv
Database World ROC · breach
••• emails
contacts_88.csv
Database World ROC · breach
••• emails
contacts_94.csv
Database World ROC · breach
••• emails
contacts_91.csv
Database World ROC · breach
••• emails
Leak volumes are locked
Sign in to reveal how many records each source exposed and the remaining 2 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.