HackingHealthcareHealthcareStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedPIIPHIIdentity (basic)Government IDBiometricEmploymentMediumActive

Excelsior Orthopaedics, LLC

bd_363c3e7a23ad9f0e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 23, 2024

Filed

Nov 13, 2025

To disclose

—

Affected

18state residents only

Linked

14 records

Confidence

67%

Full breach record for Excelsior Orthopaedics, LLC →

Excelsior Orthopaedics, LLP, a healthcare provider in Amherst, NY, notified the Maryland AG of a data security incident discovered on June 23, 2024. The breach compromised patient and employee data, including names, SSNs, driver's license numbers, and biometric information. 18 Maryland residents were identified and notified starting December 31, 2024. The organization engaged forensic investigators, reported to the FBI and HHS/OCR, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

Jun 23, 2024

Discovered

Nov 13, 2025

Filed

This filing is one of 14 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_72914f9f101271012025-09-02 · +72dVerified by operator
New Hampshire State AGbd_92f6df0276dccd5b2025-09-02 · +72dVerified by operator
Maine State AGbd_c9fe70461413b0eb2025-08-29 · +76dVerified
New Hampshire State AGbd_2afc63efdc3046202025-01-13 · +304dVerified by operator

Show 6 more filings ↓up to 449d gap

Montana State AGbd_76cf493d1fa747b22025-01-07 · +310dVerified by operator
Massachusetts State AGbd_8bb0c75c7df2dc022025-01-07 · +310dVerified by operator
Maine State AGbd_e5fe309e68f4ebbd2025-01-07 · +310dVerified
Indiana State AGbd_0323801445708f2c2024-12-31 · +317dVerified by operator
Nebraska State AGbd_9e0fe91e91c379cf2024-12-31 · +317dVerified
Nebraska State AGbd_685d9a01864afc332024-08-21 · +449dVerified

Showing first 10 of 13 linked disclosures.

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
Materiality determined: —
Notification sent: Jul 25, 2024
Affected individuals: 18state-resident count only
Data types: Identity (basic)Government IDBiometric
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: reported the incident to the U.S. Department of Health and Human Services and the Office for Civil Rights (HHS/OCR)reported this incident to the FBI and cooperated with law enforcement investigations
Initial access: valid_credentials

During the incident: Disconnected all external access to the network
Isolated suspect equipment
Changed credentials across the organization
Engaged a specialized third-party cybersecurity firm
Reported this incident to the FBI and cooperated with law enforcement investigations
Offered twelve (12) months of complimentary credit monitoring and identity theft restoration services through CyberScout
Changes made: Deployment of new security tools
Redesign of key system and business processes
Implementation of internal security awareness campaigns and enhanced system alerts
Migrating the bulk of its data to the cloud
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 · 11 filings · 8 states

View merged incident ↗

Nebraska State AGAug 21 · first

Indiana State AG+132d

Nebraska State AG+132d

Montana State AG+139d

Massachusetts State AG+139d

Maine State AG+139d

New Hampshire State AG+145d

Maine State AG+373d

Vermont State AG+377d

New Hampshire State AG+377d

Maryland State AG+449d · this page

Pattern: first filing Aug 21 (NE), last Nov 13 (MD) — a 449-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376110.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2025
Raw hash: 34b175cfeb5b6000af2d5f422676921c70a13310dc460fe7a14826f7682bcb33

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityExcelsior Orthopaedics, LLC

Incidentdiscovered Jun 23, 2024

Stated responseDisconnected all external access to the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov