ARC Dialysis LLC 2026 Data Breach
Healthcare / Dialysis & Renal Care / Consumer
ARC Dialysis 2026 Data Breach: Patient PHI Exposed in Ransomware Incident
US outpatient dialysis care 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
ElevatedExposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
311k 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
Breach Summary
On March 25, 2026 ARC Dialysis experienced a security incident exposing patient data; notifications were sent June 1, 2026 across 11 states. Exposed data included names, medical diagnoses and Social Security numbers. The incident affected 1,507 individuals.
Full threat analysis, exploitation vectors, and principal guidance below.
9 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
311k rows records analyzed
About ARC Dialysis LLC
ARC Dialysis LLC is a US provider of outpatient dialysis and renal care services.
Why They Hold Your Data
A dialysis and renal care provider holds patient identity and contact data, dates of birth, Social Security numbers, health insurance and, in clinical records, diagnoses, test results and treatment history (PHI).
Recent Developments
The provider disclosed a March 2026 security incident and notified affected patients in mid-2026.
Data Points Exposed
3 verified field types
Full Name
Medical Diagnosis Critical
Social Security Number Critical
Breach Impact
Though small in scale, the breach carries HIPAA notification obligations and affects a chronically-ill, dependent patient population.
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).
Protect Yourself
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