HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedDelayed DiscoveryIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Excelsior Orthopaedics, LLC

bd_92f6df0276dccd5b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 23, 2024

Filed

Sep 2, 2025

To disclose

15 months

Affected

28state residents only

Linked

3 filings

Confidence

66%

Full breach record for Excelsior Orthopaedics, LLC →2 incidents on file

Supplemental state-AG notice for Excelsior Orthopaedics, LLP regarding a cybersecurity incident discovered June 23, 2024. Unauthorized access occurred June 18–27, 2024. 28 New Hampshire residents affected. Data compromised includes names, DOB, driver's licenses, SSNs, and medical/health information. Response included forensic investigation, FBI cooperation, network isolation, credential resets, and 12 months of credit monitoring via CyberScout.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d15 months discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 5 days

discovery → filing · 15 months / 436 days

Jun 18, 2024

Begins

Jun 23, 2024

Discovered

Sep 2, 2025

Filed

vs. sector median

+50 wks slower

This filing is one of 3 about the same incident.View merged incident

A leak claim by monti about this victim predates this filing by 436 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Vermont State AGbd_72914f9f101271012025-09-02Candidate
Maryland State AGbd_363c3e7a23ad9f0e2025-11-13 · +72dVerified

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

Name: Excelsior Orthopaedics, LLC
norm: excelsior orthopaedics
Domain: excelsiorortho.com
Industry: Healthcarellm

Discovered: Jun 23, 2024
Breach occurred: Jun 18, 2024 – Jun 27, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 31, 2025
Affected individuals: 28state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported this incident to the FBI and cooperated with law enforcement investigations
Initial access: exploit_public_facing

During the incident: Engaged a specialized third-party cybersecurity firm to help secure the environment and conduct a comprehensive forensic investigation
Disconnecting all external access to the network
Isolating suspect equipment
Changing credentials across the organization to safeguard user and administrative system accounts
Reporting this incident to the FBI and cooperating with law enforcement investigations
Changes made: Deploying new security tools
Redesigning key system and business processes
Partnering with a first-in-class managed security provider
Implementing enhanced internal security awareness campaigns and system alerts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 months(436 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGSep 2 · first

New Hampshire State AGSep 2 · first · this page

Maryland State AG+72d

Pattern: first filing Sep 2 (VT), last Nov 13 (MD) — a 72-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/excelsior-orthopaedics-20250902.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 2, 2025
Raw hash: 7b5a05f674edc0b5e8fe44be0e53c919a807985df41e0ce2c6c8c208e92d500e

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityExcelsior Orthopaedics, LLC

Incidentdiscovered Jun 23, 2024

Stated responseEngaged a specialized third-party cybersecurity firm to help secure the environment and conduct a comprehensive forensic investigation

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov