HackingHealthcareFinancial ServicesHealthcareStolen CredentialsBECData ExfiltratedCustomer Data InvolvedRansom DemandedIdentity (basic)PHIPIIHealth (basic)MediumContained

UNITEDHEALTHCARE INSURANCE COMPANY

bd_fd2b45dc3cf0a6d3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 29, 2022

Filed

Aug 31, 2023

To disclose

35 weeks

Affected

18,418state residents only

Linked

4 filings

Confidence

70%

Full breach record for UNITEDHEALTHCARE INSURANCE COMPANY →33 incidents on file

UnitedHealthcare reported an unauthorized access incident affecting 18,418 Washington residents. The breach occurred between Dec 1, 2022, and Jan 25, 2023, and was discovered on Dec 29, 2022. The attacker accessed the UHC broker portal to divert funds, exposing member names, IDs, and plan details. Law enforcement was notified, and a Secret Service delay on notification was lifted in Aug 2023.

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Washington clock✗ WA AG >90d35 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 28 days

discovery → filing · 35 weeks / 245 days

Dec 1, 2022

Begins

Dec 29, 2022

Discovered

Aug 31, 2023

Filed

vs. sector median

+22 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

California State AGbd_e9287cbe0a2d65192023-08-31Verified
Oregon State AGbd_eaecdba95f10cfd72023-08-31Candidate
Massachusetts State AGbd_f92cf02f73c097a72023-08-25 · +6dVerified

Name: UNITEDHEALTHCARE INSURANCE COMPANY
norm: unitedhealthcare insurance
Domain: uhc.com

Name: UNITEDHEALTHCARE INSURANCE COMPANY
norm: unitedhealthcare insurance
Domain: uhc.com
Industry: HealthcarellmFinancial Servicesllm

Discovered: Dec 29, 2022
Breach occurred: Dec 1, 2022 – Jan 25, 2023
Undetected for: 28 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 18,418state-resident count only
Data types: Identity (basic)PII
Data elements: NameHealth insurance ID
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement (United States Secret Service)Issued a law enforcement notification delay by the United States Secret Service
Initial access: exploit_public_facing

During the incident: Notified law enforcement
Disabled the accounts in question
Implemented additional security controls
Changes made: Reinforce existing policies and practices
Evaluate additional safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(245 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGAug 25 · first

California State AG+6d

Oregon State AG+6d

Washington State AG+6d · this page

Pattern: first filing Aug 25 (MA), last Aug 31 (WA) — 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM15653.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 31, 2023
Raw hash: 6f051735de2ce558b344fcb31139c2f994b48b1a327fcf4639ec5595ecc9a24b

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityUNITEDHEALTHCARE INSURANCE COMPANY

Victim entityUNITEDHEALTHCARE INSURANCE COMPANY

Incidentdiscovered Dec 29, 2022

Stated responseNotified law enforcement

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com