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Homestead Museum

sinobi

This record tracks a ransomware attack claimed by the sinobi group against Homestead Museum. 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.

282days open
t1 · Published t2 · Pending
Nov 23, 2025Not disclosed yet
Country
United States
Business Category
Communication / Marketing
Employees
0-50
Discovered
2025-11-24
Published
November 23, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
YECo2BNqxpwm

Attack Summary

The Homestead Museum is a Historic-Cultural Landmark located in the City of Industry, California, showcasing the history of Los Angeles from the 1840s to the 1920s. It offers a range of programs, including workshops and tours, aimed at educating visitors about local history and fostering advocacy for historical preservation. Ideal for families, students, and history enthusiasts, the museum provides engaging experiences such as storytelling sessions, crafts, and genealogy workshops. As a unique cultural resource, it invites visitors to explore its gardens, houses, and historical narratives.

Leak Screenshots

SAMPLE

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finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for homesteadmuseum.org — indexed by HaveIBeenRansom.
0
found in Infostealer logs
94
found in Traditional breaches
2
found in Ransomware leaks
VerificationsIO_BF.7z.011
Kedr | Forum 🪾 · breach
••• emails
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
Exploit.in.rar
LKnet reserve chat · breach
••• emails
Factual_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
medusa · ransomware
••• emails
Database World ROC · breach
••• emails
Database World ROC · breach
••• emails
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Visit Website Original Post View Group: sinobi

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