Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountPHIHealth (basic)HighResolved

Jacobson Memorial Hospital Care Center

bd_1244e6e52527a875 · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 5, 2020

Filed

Feb 23, 2021

To disclose

29 weeks

Affected

1,544state residents only

Linked

2 filings

Confidence

65%

Full breach record for Jacobson Memorial Hospital Care Center →

Jacobson Memorial Hospital & Care Center notified individuals of a cybersecurity incident where an employee email account was compromised. The breach exposed PII, PHI, SSNs, and financial data. The incident was discovered in August 2020 following an investigation into spam activity. The organization engaged forensic investigators and offered credit monitoring.

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Incident timeline

undetected · 8 days

discovery → filing · 29 weeks / 202 days

Jul 28, 2020

Begins

Aug 5, 2020

Discovered

Feb 23, 2021

Filed

vs. sector median

+17 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_56c7b480d9fefe4c2021-02-23Verified

Name: Jacobson Memorial Hospital Care Center
norm: jacobson memorial hospital care center
Domain: jacobsonhospital.org

Name: Jacobson Memorial Hospital Care Center
norm: jacobson memorial hospital care center
Domain: jacobsonhospital.org
Industry: Healthcarellm

Discovered: Aug 5, 2020
Breach occurred: Jul 28, 2020 – Aug 5, 2020
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1,544state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHIHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Conducted an internal investigation with the help of its IT vendor
Engage a separate specialized cybersecurity firm to conduct a forensic investigation
Hired a third party vendor to conduct an automated data mining exercise
Complete a manual review of the emails containing PII and PHI
Completed a review of our policies
Implemented enhanced security measures
Added a new facility-wide security system
Engaged Equifax to provide you with complimentary credit monitoring and identity theft services
Changes made: Completed a review of our policies
Implemented enhanced security measures
Added a new facility-wide security system
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(202 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

HHS OCRFeb 23 · first

Montana State AGFeb 23 · first · this page

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/jacSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 23, 2021
Raw hash: 5406e364614c34f31ca1a172a9673cb2adeff5528c3ca1fe5809eb8a939a27ed

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityJacobson Memorial Hospital Care Center

Victim entityJacobson Memorial Hospital Care Center

Incidentdiscovered Aug 5, 2020

Stated responseConducted an internal investigation with the help of its IT vendor

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov