HackingHealthcareHealthcareStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Financial accountGovernment IDMediumContained

Luminis Health

bd_1cddbce7a40d7984 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 16, 2024

Filed

Mar 12, 2025

To disclose

12 weeks

Affected

349state residents only

Confidence

66%

Full breach record for Luminis Health →

Luminis Health, Inc., a Maryland-based non-profit healthcare provider, notified the Maryland Attorney General of a security incident affecting approximately 349 Maryland residents. An unauthorized party accessed the company's payroll software system on or about December 11, 2024, by obtaining access to a third-party consultant's account. The incident potentially exposed personal information including names, bank account and routing numbers, and Social Security numbers. Luminis Health contained the incident, engaged cybersecurity experts, and is offering one year of complimentary credit monitoring to affected individuals.

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Maryland clock⏱ MD AG >30d12 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 · 12 weeks / 86 days

Dec 11, 2024

Begins

Dec 16, 2024

Discovered

Mar 12, 2025

Filed

vs. sector median

on median

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed349 affectedView incident

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Luminis Health
norm: luminis health
Domain: luminishealth.org
Industry: Healthcarellm

Discovered: Dec 16, 2024
Breach occurred: Dec 11, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 11, 2025
Affected individuals: 349state-resident count only
Data types: Identity (basic)Financial accountGovernment ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Maryland Attorney General
Initial access: valid_credentials

During the incident: Immediately contained the incident
Commenced a thorough investigation
Engaged leading cybersecurity experts to identify what personal information, if any, was involved
Providing the affected residents with written notification
Provided a complimentary one-year membership with a credit monitoring service
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: MD AG >30d
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.

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-376543.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2025
Raw hash: c1b4bb9141ed9b1f20f1bde562c860e2b4b50f85717ec01b6bf05bc538b5463e

Reporting entityMCDONALD HOPKINS LLC

Victim entityLuminis Health

Incidentdiscovered Dec 16, 2024

Stated responseImmediately contained the incident

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov