Aroostook Mental Health Services 2026 Data Breach
Healthcare / Mental & Behavioral Health / Consumer
Aroostook Mental Health Services 2026 Data Breach: Behavioral-Health Records Exposed via Qilin
Maine community mental health and behavioral healthcare provider.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
100/100
Lower riskHigher risk
High and current: recent, valuable data circulating on the dark web now.
Data Sensitivity i
RestrictedBeing associated with this breach can itself be harmful. Disclosure is limited and presence is not confirmed to unverified parties.
128k rowsRecords
2026Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Crucial data exposed
SSNSocial Security Number
PHI / MedicalMedical Diagnosis (behavioral health)
Breach Summary
Between March 11 and 12, 2026 an unauthorized party accessed AMHC's network; the disruption was detected March 12 and the intrusion confirmed March 21. On March 24, 2026 the Qilin ransomware group claimed the attack and listed AMHC on its leak site. Exposed data included names, behavioral-health diagnoses and Social Security numbers.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
128k rows records analyzed
About Aroostook Mental Health Services
Aroostook Mental Health Center (AMHC) is a Maine community provider of mental-health and behavioral-health services across northern Maine.
Why They Hold Your Data
A community mental-health provider holds patient identity and contact data, SSNs, and highly sensitive behavioral-health and treatment records (PHI).
Recent Developments
AMHC continues to operate. A March 2026 ransomware attack disrupted its network and was claimed by the Qilin group.
Data Points Exposed
3 verified field types
Full Name
Medical Diagnosis (behavioral health) Critical
Social Security Number Critical
Breach Impact
As a behavioral-health provider, the breach carries acute confidentiality and stigma concerns alongside HIPAA notification and litigation exposure.
Principal Risk Advisory
What this means for a principal
A healthcare-linked breach: exposure ties a named individual to a provider relationship and, where clinical or insurance data is present, to conditions and treatment. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
What You Should Do
- Freeze credit at all three bureaus and monitor for new-account and tax-refund fraud.
- Watch for medical-benefit fraud and health-themed phishing that references real provider relationships.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
Q/
Threat Actor: Qilin / AgendaConfidence: High
Motivation: Financial extortion
A ransomware-as-a-service group also known as Agenda and first observed in 2022. It became one of the more active ransomware groups in 2025, with targeting across healthcare, manufacturing, legal services, critical infrastructure, and public-sector entities.
Protect Yourself
Protect Yourself: Limited Disclosure
Check If You’re Affected: Verification Required
Because being associated with this breach can itself be harmful, we do not confirm whether anyone appears in it to unverified parties. Verify your identity to privately check whether your own data appears in this breach or related indexes.
We will only reveal whether a specific person appears in this breach to that person.
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