HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountCredentialsCriticalContained

Medical Express Ambulance Inc.

bd_f2db12a91b155bb5 · schema v1 · pii pii-v2

Severity

Critical

Discovered

Mar 18, 2024

Filed

Apr 14, 2025

To disclose

—

Affected · nationwide

118,418249 in this filing

Linked

6 filings

Confidence

66%

Full breach record for Medical Express Ambulance Inc. →2 incidents on file

Medical Express Ambulance (MedEx) notified the Nebraska AG of a cybersecurity incident discovered on March 18, 2024, affecting 249 Nebraska residents (118,418 nationwide). Unauthorized access exposed PII, PHI, SSNs, and credentials. MedEx engaged forensic investigators, reset credentials, and offered credit monitoring. Notifications were mailed April 14, 2025.

J jump to incidentP pin to compareR raw source

Incident timeline

Mar 18, 2024

Begins

Mar 18, 2024

Discovered

Apr 14, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Vermont State AGbd_b8194707753b0e0b2025-04-14Verified
Montana State AGbd_cf549989ad2ba1ac2025-04-14Candidate
Massachusetts State AGbd_f65170d9266271902025-04-14Verified
New Hampshire State AGbd_589e70d75d907c312025-04-21 · +7dVerified

Show 1 more filing ↓up to 17d gap

Illinois State AGbd_7723fa4962b22a662025-05-01 · +17dVerified

Name: Wilson, Elser, Moskowitz, Edelman & Dicker LLP
norm: wilson elser moskowitz edelman dicker
Domain: wilsonelser.com

Name: Medical Express Ambulance Inc.
norm: medical express ambulance
Also named: Medical Express Ambulance Inc.dba oflegal entity
MedEx Ambulancedba oftrade name
Industry: Healthcarellm

Discovered: Mar 18, 2024
Breach occurred: Mar 18, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 14, 2025
Affected individuals: 118,418state + nationwide
Data types: Identity (basic)Government IDHealth (basic)Financial accountCredentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified Nebraska Attorney General
Initial access: exploit_public_facing

During the incident: Engaged a specialized third-party cybersecurity firm
Disconnected all access to the network
Changed administrative credentials
Notified law enforcement
Implemented an organization-wide credential reset of all users
Offered 12 months of complimentary credit monitoring and identity theft restoration services through Haystack
Changes made: Restructured and enhanced security systems
Upgraded data management software
Enhanced network security
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Vermont State AGApr 14 · first

Montana State AGApr 14 · first

Massachusetts State AGApr 14 · first

Nebraska State AGApr 14 · first · this page

New Hampshire State AG+7d

Illinois State AG+17d

Pattern: first filing Apr 14 (VT), last May 1 (IL) — a 17-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://nebraska.gov/ago/data-breach/documents/064ceb3c-04a9-4cec-b82c-a9955207c341.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 14, 2025
Raw hash: 5345728434989ceaf6a05a94adc5741df89c961a78cc0dbc000fe9f3295b8104

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityMedical Express Ambulance Inc.

Incidentdiscovered Mar 18, 2024

Stated responseEngaged a specialized third-party cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov