Social EngineeringHealthcareHealthcarePhishingCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDHealth (basic)MediumContained

United HealthCare Services, Inc.

bd_e1744c68ceda21af · schema v1 · pii pii-v2

Severity

Medium

Discovered

Nov 1, 2024

Filed

Jun 27, 2025

To disclose

—

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for United HealthCare Services, Inc. →29 incidents on file

MedicareCompareUSA reported a phishing incident affecting United Healthcare data. Unauthorized access occurred Nov 5-21, 2024, exposing names, SSNs, and health policy numbers. One Nebraska resident was notified on June 27, 2025. MCUSA provided credit monitoring and notified HHS.

J jump to incidentP pin to compareR raw source

Incident timeline

Nov 5, 2024

Begins

Jun 27, 2025

Filed

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

Washington State AGbd_60a179415bac1f282025-06-27Candidate
Massachusetts State AGbd_aae18161065de5d02025-06-27Verified
Indiana State AGbd_b8bae3b0557279822025-06-27Verified

Name: MedicareCompareUSA
norm: medicarecompareusa

Name: United HealthCare Services, Inc.
norm: united healthcare
Domain: uhc.com
Industry: Healthcarellm

Discovered: Nov 1, 2024
Breach occurred: Nov 5, 2024 – Nov 21, 2024
Materiality determined: —
Notification sent: Jun 27, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: Notifying the U.S. Department of Health and Human ServicesProviding written notice to relevant state and federal regulators
Initial access: phishing_link

During the incident: Took steps to secure its environment and launched an investigation
Began an extensive review of the accounts
Implemented additional safeguards and training to its employees
Providing access to credit monitoring services for one (1) year, through Transunion
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state and federal regulators
Notifying the U.S. Department of Health and Human Services
Changes made: Implemented additional cybersecurity measures
Reviewed existing security policies to further protect against similar events moving forward
Source: Quoted from the filing itself, not independently verified.

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 ↗

Washington State AGJun 27 · first

Massachusetts State AGJun 27 · first

Indiana State AGJun 27 · first

Nebraska State AGJun 27 · 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://nebraska.gov/ago/data-breach/documents/114c1dd8-f4e9-4820-8d20-d4f45a0a8818.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 27, 2025
Raw hash: 20126008f1d07da390b4cb25892157013727d3bf4863a2176eea556ea12133c6

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMedicareCompareUSA

Victim entityUnited HealthCare Services, Inc.

Incidentdiscovered Nov 1, 2024

Stated responseTook steps to secure its environment and launched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov