MalwareHealthcareHealthcareRansomwareStolen CredentialsData ExfiltratedRansom DemandedPIIPHIIdentity (basic)Government IDMediumContained

Medical Express Ambulance Inc.

bd_589e70d75d907c31 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 18, 2024

Filed

Apr 21, 2025

To disclose

13 months

Affected

104state residents only

Linked

6 filings

Confidence

66%

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

Medical Express Ambulance Inc. (MedEx) notified the NH AG of a ransomware incident discovered on March 18, 2024. The attack disrupted network access, encrypted data, and led to the acquisition of PII/PHI. 104 NH residents were notified on April 14, 2025. MedEx engaged forensic investigators, reset credentials, and offered credit monitoring.

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Incident timeline

discovery → filing · 13 months / 399 days

Mar 18, 2024

Begins

Mar 18, 2024

Discovered

Apr 21, 2025

Filed

vs. sector median

+44 wks slower

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_b8194707753b0e0b2025-04-14 · +7dVerified
Montana State AGbd_cf549989ad2ba1ac2025-04-14 · +7dCandidate
Nebraska State AGbd_f2db12a91b155bb52025-04-14 · +7dVerified
Massachusetts State AGbd_f65170d9266271902025-04-14 · +7dVerified

Show 1 more filing ↓up to 10d gap

Illinois State AGbd_7723fa4962b22a662025-05-01 · +10dVerified

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: 104state-resident count only
Data types: PIIPHIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Initial access: valid_credentials

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
Restructured and enhanced security systems
Upgraded their data management software
Engaged a third-party vendor to review the data that was compromised
Engaged a third-party notice vendor to assist with the mailings, call center, and provide identity theft protection services
Changes made: Enhancing its network security to prevent a similar incident from occurring in the future
Offering complimentary credit monitoring and identity theft restoration services through HaystackID
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(399 days from discovery to filing)
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

Nebraska State AGApr 14 · first

Massachusetts State AGApr 14 · first

New Hampshire State AG+7d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/medical-express-ambulance-20250421.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 21, 2025
Raw hash: eef499d7f09f3d96741100fffd9d3e8594cb9fa08ca6fd23882e37ecf263a988

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 provenancemm.nh.gov