Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

University of Missouri Health Care

bd_6c4f866f73fe97d1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 4, 2020

Filed

Sep 18, 2020

To disclose

20 weeks

Affected

5state residents only

Linked

4 filings

Confidence

66%

Full breach record for University of Missouri Health Care →10 incidents on file

University of Missouri Health Care notified the NH Attorney General of an email compromise incident affecting five New Hampshire residents. Unauthorized access to employee email accounts occurred between May 4 and May 6, 2020, following a phishing incident. Affected data included names, dates of birth, SSNs, medical record numbers, and health insurance information. The organization secured accounts, investigated, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 20 weeks / 137 days

May 4, 2020

Begins

May 4, 2020

Discovered

Sep 18, 2020

Filed

vs. sector median

+9 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_103e5f85843923c12020-09-17 · +1dVerified
HHS OCRbd_822487258ea4e9052020-09-17 · +1dVerified
Montana State AGbd_d462b2c219f0f4f32020-10-17 · +29dVerified

Name: University of Missouri Health Care
norm: university of missouri health care

Name: University of Missouri Health Care
norm: university of missouri health care
Domain: muhealth.org
Industry: Healthcarellm

Discovered: May 4, 2020
Breach occurred: May 4, 2020 – May 6, 2020
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 17, 2020
Affected individuals: 5state-resident count only
Data types: PHIIdentity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified Attorney General Gordon MacDonald of New Hampshire
Initial access: phishing_link

During the incident: Immediately took steps to secure the email accounts involved
Commenced an investigation
Offering eligible individuals a complimentary one-year membership to credit monitoring and identity theft protection services
Established a dedicated toll-free call center where all individuals may obtain more information regarding the incident
Changes made: Implementing additional security enhancements to its email environment
Reinforced staff education regarding password best practices
Reinforced staff education regarding how to identify and avoid suspicious emails
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(137 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGSep 17 · first

HHS OCRSep 17 · first

New Hampshire State AG+1d · this page

Montana State AG+30d

Pattern: first filing Sep 17 (MA), last Oct 17 (MT) — a 30-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://mm.nh.gov/files/uploads/doj/remote-docs/university-missouri-health-care-20200918.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 18, 2020
Raw hash: 4ab3433d3c00898b8ebc1876e4a1807ab4f7e6e28f5345e4be1cd6e044aef17d

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityUniversity of Missouri Health Care

Victim entityUniversity of Missouri Health Care

Incidentdiscovered May 4, 2020

Stated responseImmediately took steps to secure the email accounts involved

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov