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JBS

medusa

This record tracks a ransomware attack claimed by the medusa group against JBS. 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.

252days open
t1 · Published t2 · Pending
Dec 23, 2025Not disclosed yet
Country
United States
Business Category
Communication / Marketing
Employees
101-1000
Discovered
2025-12-28
Published
December 23, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
Ivecqdrzh1NO

Attack Summary

JBS is a regional, public, nonprofit corporation established under Act 310 of the 1967 Alabama Legislature. The region served by the Authority is designated in the State Mental Health Plan as Region M-5, and comprises Jefferson, Blount and St. Clair counties, with a total of more than 800,000 residents. There are three mental health centers which serve the region. It is the responsibility of the Authority to plan, coordinate and develop the system of mental health services for the entire region. The Authority provides consultation regarding program development and funding; coordination of regional programs; delivery of region-wide services; and a consolidated budgeting process to simplify the funding of programs at the local and state level. company is headquartered in 940 Montclair Rd., Birmingham, AL 35213, USA. 201-500 Employees, The total amount of data leakage is 168.6 GB.

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

Cross-referenced against HaveIBeenRansom's dark-web index of ransomware leaks, breaches & infostealer logs.
0
found in Infostealer logs
0
found in Traditional breaches
0
found in Ransomware leaks
Emails exposed
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Internal
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External
•••
Distinct leaks
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••• emails
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••• emails
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••• emails
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••• emails
Full exposure is locked
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Original Post View Group: medusa

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