HackingHealthcareHealthcareVulnerability ExploitStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedPIIPHIIdentity (basic)Government IDMediumContained

Excelsior Orthopaedics, LLC

bd_685d9a01864afc33 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jun 23, 2024

Filed

Aug 21, 2024

To disclose

—

Affected

14state residents only

Linked

12 filings

Confidence

66%

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

Excelsior Orthopaedics, LLP filed a supplemental data breach notice with the Nebraska Attorney General regarding an incident discovered on June 23, 2024. Unauthorized access occurred between June 18 and June 27, 2024, compromising patient and employee data, including PHI and PII. 14 Nebraska residents were notified. The company engaged forensic investigators, contained the breach, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d

Incident timeline

undetected · 5 days

Jun 18, 2024

Begins

Jun 23, 2024

Discovered

Aug 21, 2024

Filed

This filing is one of 12 about the same incident.View merged incident

A leak claim by monti about this victim predates this filing by 59 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemontibd_a6930321bc6a9a052024-07-08 · +43dVerified by operator

Regulatory filings (9) · sorted by filing gap

HHS OCRbd_c80ca4fcaa45b2352024-08-21Verified
Pressmontibd_57884e7961a95ed32024-06-23 · +59dCandidate
Indiana State AGbd_0323801445708f2c2024-12-31 · +132dVerified by operator
Nebraska State AGbd_9e0fe91e91c379cf2024-12-31 · +132dVerified

Show 5 more filings ↓up to 373d gap

Montana State AGbd_76cf493d1fa747b22025-01-07 · +139dVerified by operator
Massachusetts State AGbd_8bb0c75c7df2dc022025-01-07 · +139dVerified by operator
Maine State AGbd_e5fe309e68f4ebbd2025-01-07 · +139dVerified
New Hampshire State AGbd_2afc63efdc3046202025-01-13 · +145dVerified by operator
Maine State AGbd_c9fe70461413b0eb2025-08-29 · +373dVerified

Showing first 10 of 11 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
Breach occurred: Jun 18, 2024 – Jun 27, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 25, 2024
Affected individuals: 14state-resident count only
Data types: PIIPHIIdentity (basic)Government ID
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
Disconnected all external access to the network
Isolated suspect equipment
Changed credentials across the organization to safeguard user and administrative system accounts
Reported this incident to the FBI and cooperated with law enforcement investigations
Changes made: Deployed new security tools
Redesigned key system and business processes
Partnered with a first-in-class managed security provider
Implemented enhanced internal security awareness campaigns and system alerts
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 7 states

View merged incident ↗

PressJun 23 · first

HHS OCR+59d

Nebraska State AG+59d · this page

Indiana State AG+191d

Nebraska State AG+191d

Montana State AG+198d

Massachusetts State AG+198d

Maine State AG+198d

New Hampshire State AG+204d

Maine State AG+432d

Pattern: first filing Jun 23, last Aug 29 (ME) — a 432-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 11 — 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://nebraska.gov/ago/data-breach/documents/9e9ff57b-f504-4fce-b150-1656903b6901.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 21, 2024
Raw hash: ed64017ceedb5086d99a313b80f4192ef7efc56d44e560d9fbe6800362ffd550

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · 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 >30d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov