Bell Ambulance, Inc. 2025 Data Breach

Bell Ambulance 2025 Data Breach: 238,000 Patients Exposed via Medusa Ransomware

Healthcare / Emergency Medical Transport / Consumer

Bell Ambulance 2025 Data Breach: 238,000 Patients Exposed via Medusa Ransomware

Largest ambulance and emergency medical transport provider in Wisconsin.

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
Elevated
Exposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
432k rowsRecords
2025Year

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
Gov IDDriver’s License
FinancialFinancial Account (bank/card)
PHI / MedicalHealth Insurance Information; Medical Diagnosis
Classification Tags
MedusaRansomware / ExtortionHealthcareMedicalPatients2025

Breach Summary

Bell Ambulance detected a network intrusion on February 13, 2025; the Medusa ransomware gang claimed the attack. Stolen data included names, dates of birth, Social Security numbers, driver's license numbers, financial account details, medical information and health insurance information. Bell Ambulance notified 237,830 individuals.

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…

432k rows records analyzed

About Bell Ambulance, Inc.

Bell Ambulance, Inc. is a Milwaukee, Wisconsin-based emergency medical transport company, the largest ambulance provider in the state.

Why They Hold Your Data

A emergency medical transport 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

Bell Ambulance detected the intrusion February 13, 2025 and disclosed it in April 2025 after Medusa claimed responsibility.

Data Points Exposed

7 verified field types
Date of Birth High
Driver’s License Critical
Financial Account (bank/card) High
Full Name
Health Insurance Information High
Medical Diagnosis Critical
Social Security Number Critical

Breach Impact

As a HIPAA-covered emergency medical transport provider, the breach carries OCR notification, class litigation and patient-trust damage; the Medusa extortion added public-leak pressure.

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

  1. Freeze credit at all three bureaus and monitor for new-account and tax-refund fraud.
  2. Watch for medical-benefit fraud and health-themed phishing that references real provider relationships.
  3. Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.

How ObscureIQ Can Help

  1. Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
  2. Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
M
Threat Actor: MedusaConfidence: High
Ransomware-as-a-Service

Motivation: Financial extortion
A RaaS operation prominent through 2023-2025 that pressures victims with double extortion, threatening public data release. Hits healthcare, education, technology, manufacturing, legal and government.

Read the full threat-actor profile →

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