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JB Brown & Sons

sinobi

This record tracks a ransomware attack claimed by the sinobi group against JB Brown & Sons. 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.

384days open
t1 · Published t2 · Pending
Aug 14, 2025Not disclosed yet
Country
United States
Business Category
Construction / Real Estate
Employees
51-100
Discovered
2025-10-08
Published
August 14, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
OgXwkLVokytP

Attack Summary

J.B. Brown Sons is a commercial property management and development company based in Portland, Maine, with over 200 years of experience in real estate. The company specializes in owning, leasing, and managing a variety of commercial properties, including office, warehouse, manufacturing, retail, and mixed-use buildings. Aimed at long-term stable growth, J.B. Brown Sons offers responsive services to assist tenants with their commercial space needs. Their portfolio of properties and development projects reflects their deep-rooted presence in the Greater Portland area.

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 jbbrown.com — indexed by HaveIBeenRansom.
0
found in Infostealer logs
78+
found in Traditional breaches
42+
found in Ransomware leaks
Paul White Company
play · ransomware
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum 🪾 · breach
••• emails
Marcus & Millichap, Inc.
shinyhunters · breach
••• emails
Arandell Corp
medusa · ransomware
••• emails
limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
shinyhunters · breach
••• emails
play · ransomware
••• emails
Database World ROC · breach
••• emails
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Visit Website Original Post View Group: sinobi

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