HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)PHIBiometricFinancial accountCriticalActive

Excelsior Orthopaedics, LLC

bd_e5fe309e68f4ebbd · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 23, 2024

Filed

Jan 7, 2025

To disclose

28 weeks

Affected · nationwide

357,00032 in this filing

Linked

12 filings

Confidence

66%

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

Excelsior Orthopaedics, LLP, a healthcare provider, disclosed a data breach affecting approximately 357,000 individuals, including 32 Maine residents. The incident, discovered on June 23, 2024, involved unauthorized access to patient and employee data, including PHI, SSNs, and biometric info. Excelsior engaged forensic investigators, secured its network, reported to the FBI and HHS/OCR, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 23, 2024 → Filed with AG Jan 7, 2025198d ✗ ME AG >90d28 weeks 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 · 28 weeks / 198 days

Jun 18, 2024

Begins

Jun 23, 2024

Discovered

Jan 7, 2025

Filed

vs. sector median

+16 wks slower

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 198 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemontibd_a6930321bc6a9a052024-07-08 · +182dVerified by operator

Regulatory filings (9) · sorted by filing gap

Montana State AGbd_76cf493d1fa747b22025-01-07Verified by operator
Massachusetts State AGbd_8bb0c75c7df2dc022025-01-07Verified by operator
New Hampshire State AGbd_2afc63efdc3046202025-01-13 · +6dVerified by operator
Indiana State AGbd_0323801445708f2c2024-12-31 · +7dVerified by operator

Show 5 more filings ↓up to 234d gap

Nebraska State AGbd_9e0fe91e91c379cf2024-12-31 · +7dVerified
Nebraska State AGbd_685d9a01864afc332024-08-21 · +139dVerified
HHS OCRbd_c80ca4fcaa45b2352024-08-21 · +139dVerified
Pressmontibd_57884e7961a95ed32024-06-23 · +198dCandidate
Maine State AGbd_c9fe70461413b0eb2025-08-29 · +234dVerified

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
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 31, 2024
Affected individuals: 357,000state + nationwide
Data types: Identity (basic)Government IDHealth (basic)PHIBiometricFinancial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
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: exploit_public_facing

During the incident: Engaged a specialized third-party cybersecurity firm to help secure the environment and conduct a comprehensive forensic investigation
Engaged outside data mining experts to conduct a thorough analysis of the compromised data
Disconnected all external access to the network
Isolated suspect equipment
Changed credentials across the organization
Restored data to offline servers to verify integrity of backups and detect malware
Reported the incident to the FBI and cooperated with law enforcement investigations
Reported the incident to the U.S. Department of Health and Human Services and the Office for Civil Rights (HHS/OCR)
Mailed initial wave of notices to affected individuals
Offered 12 months of complimentary credit monitoring and identity theft restoration services through CyberScout
Changes made: Deployed new security tools to augment its security platform
Redesigned key system and business processes
Partnered with a first-in-class managed security service provider
Implemented enhanced internal security awareness campaigns
Implemented enhanced system alerts to reduce response times
Increased employee education of cybersecurity threats through expanded course content on internal and external training platforms
Migrating the bulk of its data to the cloud for additional protection
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(198 days from discovery to filing)
Compliance flags: ME AG >90d · 198dME resident >180d · 191dLeak >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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jun 23, 2024
→ Filed with AG: Jan 7, 2025
198d 90 days ME AG >90d
Maine
Discovered: Jun 23, 2024
→ Notified: Dec 31, 2024
191d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 23, 2024 → Filed with AG: Jan 7, 2025	198d	90 days	ME AG >90d
Maine	Discovered: Jun 23, 2024 → Notified: Dec 31, 2024	191d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 7 states

View merged incident ↗

PressJun 23 · first

Nebraska State AG+59d

HHS OCR+59d

Indiana State AG+191d

Nebraska State AG+191d

Montana State AG+198d

Massachusetts State AG+198d

Maine State AG+198d · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/8561b966-2671-45c6-98eb-d7acff5e31b3.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 7, 2025
Raw hash: 0e12f0c382dcbdd9631123d97b7f845411bf82ae6d474e5b022753bea92bd30c

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

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov