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McDonald Building

sinobi

This record tracks a ransomware attack claimed by the sinobi group against McDonald Building. 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.

318days open
t1 · Published t2 · Pending
Oct 17, 2025Not disclosed yet
Country
Business Category
Construction / Real Estate
Employees
51-100
Discovered
2025-10-21
Published
October 17, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
2449uC98FSJy

Attack Summary

McDonald Building Co. is a growing construction firm that embarks on innovative projects within the Architecture, Engineering, and Construction (AEC) industry. They utilize advanced technologies such as Virtual Design Construction to ensure quality and efficient project delivery while maintaining strong relationships based on trust and dependability. The company employs a unique drone, nicknamed Batman, to monitor and provide updates on construction progress and safety. Their commitment to excellence has garnered positive feedback from clients, highlighting their adaptability and competency.

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.

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

Findings for mcdonaldbuildingco.com — indexed by HaveIBeenRansom.
0
found in Infostealer logs
47+
found in Traditional breaches
6+
found in Ransomware leaks
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••• emails
B F R e p o V 3 F i l e s · breach
••• emails
Database World ROC · breach
••• emails
Database World ROC · breach
••• emails
+ 4 more leak sources locked
Leak volumes are locked
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Visit Website Original Post View Group: sinobi

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