AccidentalHealthcareFinancial ServicesHealthcareMisconfigurationCustomer Data InvolvedIdentity (basic)Health (basic)LowResolved

UnitedHealthcare Privacy Office

bd_d59e76772a307f73 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 10, 2021

Filed

May 7, 2021

To disclose

8 weeks

Affected

1state residents only

Confidence

66%

Full breach record for UnitedHealthcare Privacy Office →

UnitedHealthcare notified Montana residents of a privacy incident where an Explanation of Benefits (EOB) was inadvertently viewed by another member due to a system error involving incorrect identifying keys. The incident affected health information and basic identity data but excluded SSN, DOB, or financial account numbers. UnitedHealthcare removed the erroneous file and is reviewing safeguards.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 8 weeks / 58 days

Mar 9, 2021

Begins

Mar 10, 2021

Discovered

May 7, 2021

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: UnitedHealthcare Privacy Office
norm: unitedhealthcare privacy office

Name: UnitedHealthcare Privacy Office
norm: unitedhealthcare privacy office
Industry: HealthcarellmFinancial Servicesllm

Discovered: Mar 10, 2021
Breach occurred: Mar 9, 2021
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Health (basic)
Attack vector: Misconfiguration
MITRE ATT&CK: T1119 Automated Collection

During the incident: Investigate the matter
Mis-processed file had been removed from production
Reinforcing our existing policies and practices with employees
Evaluating additional safeguards
Changes made: Reinforcing our existing policies and practices with employees
Evaluating additional safeguards to help prevent a similar incident from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/OCP/a-notif-40.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 7, 2021
Raw hash: fca69c0f06cf8c065fc310c3474d78dbc636aff98a145664b6d35488e7624bed

Reporting entityUnitedHealthcare Privacy Office

Victim entityUnitedHealthcare Privacy Office

Incidentdiscovered Mar 10, 2021

Stated responseInvestigate the matter

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov