HackingHealthcareHealthcareCustomer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Memorial Hospital and Manor

bd_2018af7fe358a2b7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 2, 2024

Filed

Feb 8, 2025

To disclose

14 weeks

Affected

42state residents only

Linked

8 filings

Confidence

67%

Full breach record for Memorial Hospital and Manor →2 incidents on file

Memorial Hospital and Manor notified the Maryland AG of a data security incident discovered on Nov 2, 2024. Unauthorized access by an unknown actor exposed personal and health information of ~42 Maryland residents, including names, SSNs, DOBs, and medical history. The hospital engaged forensic investigators, secured its network, and mailed notifications offering 12 months of identity protection services.

J jump to incidentP pin to compareR raw source

Maryland clock✗ MD AG >90d14 weeks discovery → filing

Incident timeline

discovery → filing · 14 weeks / 98 days

Nov 2, 2024

Discovered

Feb 8, 2025

Filed

vs. sector median

+1 wks slower

This filing is one of 8 about the same incident.View merged incident

A leak claim by embargo about this victim predates this filing by 98 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Montana State AGbd_5406be69118684102025-02-08Verified
HHS OCRbd_58a3f32af1a0cfa12025-02-08Verified by operator
Maine State AGbd_c9845879829315b02025-02-08Verified
Massachusetts State AGbd_edb024eae4fca61e2025-02-08Verified

Show 3 more filings ↓up to 2d gap

Vermont State AGbd_0f2836569bf8ac222025-02-07 · +1dVerified by operator
Indiana State AGbd_6027e66c9f3c59652025-02-07 · +1dVerified by operator
New Hampshire State AGbd_251404032b07834a2025-02-10 · +2dVerified by operator

Name: Memorial Hospital and Manor
norm: memorial hospital and manor
Domain: mh-m.org

Name: Memorial Hospital and Manor
norm: memorial hospital and manor
Domain: mh-m.org
Industry: Healthcarellm

Discovered: Nov 2, 2024
Materiality determined: —
Notification sent: Feb 7, 2025
Affected individuals: 42state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Maryland Attorney General

During the incident: Engaged a leading, independent cybersecurity firm to investigate
Took steps to secure its network
Launched a forensics investigation to determine the source and scope of the compromise
Mailed notification letters to affected Maryland residents
Offered 12 months of complimentary identity protection services
Changes made: Implemented additional security measures to further harden its digital environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(98 days from discovery to filing)
Compliance flags: MD AG >90dLeak >90d
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 · 8 filings · 8 states

View merged incident ↗

Vermont State AGFeb 7 · first

Indiana State AGFeb 7 · first

Montana State AG+1d

HHS OCR+1d

Maine State AG+1d

Massachusetts State AG+1d

Maryland State AG+1d · this page

New Hampshire State AG+3d

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-376342.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 8, 2025
Raw hash: 9f0d730714f0465ef78fd820ac92810707883d52faa55a7be2cd11b2cbcde8bd

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityMemorial Hospital and Manor

Victim entityMemorial Hospital and Manor

Incidentdiscovered Nov 2, 2024

Stated responseEngaged a leading, independent cybersecurity firm to investigate

ComplianceMD AG >90d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov