HackingHealthcareHealthcareStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Morris Hospital & Healthcare Centers

bd_8e26a3940f345506 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 4, 2023

Filed

Aug 17, 2023

To disclose

19 weeks

Affected

61state residents only

Linked

8 filings

Confidence

66%

Full breach record for Morris Hospital & Healthcare Centers →14 incidents on file

Morris Hospital & Healthcare Centers notified Montana residents of a cybersecurity incident discovered on April 4, 2023. An unauthorized party accessed files containing PII, SSNs, medical record numbers, and financial account data of employees, patients, and dependents. The hospital reset passwords, suspended email access, and engaged forensic investigators.

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Incident timeline

discovery → filing · 19 weeks / 135 days

Apr 4, 2023

Discovered

Aug 17, 2023

Filed

vs. sector median

+7 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

California State AGbd_16c69f0d514cbd182023-08-17Verified
Vermont State AGbd_8b00c8d9a79b225d2023-08-17Verified
HHS OCRbd_947fe245f50af0a82023-08-17Verified
Indiana State AGbd_b6bac73f32cfb3242023-08-17Verified

Show 3 more filings ↓up to 6d gap

Maine State AGbd_c57ca867432e837a2023-08-17Verified
Massachusetts State AGbd_d4ea9773f91c10152023-08-17Verified
New Hampshire State AGbd_364968e1519ddb632023-08-23 · +6dVerified

Name: Morris Hospital & Healthcare Centers
norm: morris hospital healthcare centers

Name: Morris Hospital & Healthcare Centers
norm: morris hospital healthcare centers
Industry: Healthcarellm

Discovered: Apr 4, 2023
Materiality determined: —
Notification sent: Aug 17, 2023
Affected individuals: 61state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Immediately reset passwords for all employee accounts
Suspended employee mobile email access
Identified and removed malicious files
Enhanced our monitoring, logging, and detection capabilities
Retained global security professionals to conduct an independent investigation and assist with our recovery efforts
Changes made: Enhanced our monitoring, logging, and detection capabilities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(135 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

California State AGAug 17 · first

Vermont State AGAug 17 · first

HHS OCRAug 17 · first

Indiana State AGAug 17 · first

Maine State AGAug 17 · first

Massachusetts State AGAug 17 · first

Montana State AGAug 17 · first · this page

New Hampshire State AG+6d

Pattern: first filing Aug 17 (CA), last Aug 23 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-567.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 17, 2023
Raw hash: 3f334d42b04bc4bdfcb94367300436d3da82ada9d2418d72c49cc086b79d9337

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityMorris Hospital & Healthcare Centers

Victim entityMorris Hospital & Healthcare Centers

Incidentdiscovered Apr 4, 2023

Stated responseImmediately reset passwords for all employee accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov