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Aroostook Mental Health Services

qilin

This record tracks a ransomware attack claimed by the qilin group against Aroostook Mental Health 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.

165days open
t1 · Published t2 · Pending
Mar 24, 2026Not disclosed yet
Country
United States
Business Category
Healthcare / Pharma
Employees
101-1000
Discovered
2026-03-24
Published
March 24, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
6pOhOeF9cKYB

Attack Summary

Aroostook Mental Health Services was named by the qilin ransomware group as a targeted organization. It operates in the Healthcare / Medicine sector and is estimated to employ around 101-1000 people. The affected entity is based in United States. The incident was first observed on March 24, 2026. The entry is documented by Breach House from public leak-site sources and is provided for situational awareness only.

Leak Screenshots

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Dark Web Exposure

Findings for amhc.org — indexed by HaveIBeenRansom.
11
found in Infostealer logs
849+
found in Traditional breaches
90+
found in Ransomware leaks
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