HackingHealthcareHealthcareSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedDelayed DiscoveryPHIHealth (basic)Identity (basic)Government IDMediumContained

L.A. Care Health Plan

bd_6ade23838f76d529 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 13, 2025

Filed

Jul 2, 2026

To disclose

18 months

Affected

Not disclosed

Confidence

66%

Full breach record for L.A. Care Health Plan →6 incidents on file

L.A. Care Health Plan notified members of a data breach involving former vendor Conduent Business Services LLC. An unauthorized third party accessed Conduent's network between October 21, 2024, and January 13, 2025, obtaining files containing member names, dates of birth, claim numbers, dates of service, treatment costs, admission/discharge dates, and health insurance member information. One notification variant also included Social Security Numbers. Conduent secured networks, engaged forensic experts, notified law enforcement, and is enhancing security measures.

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Incident timeline

undetected · 84 days

discovery → filing · 18 months / 535 days

Oct 21, 2024

Begins

Jan 13, 2025

Discovered

Jul 2, 2026

Filed

vs. sector median

+64 wks slower

Part of CONDUENT BUSINESS SERVICES, LLC supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

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

Name: L.A. Care Health Plan
norm: la care health plan
Domain: lacare.org

Name: L.A. Care Health Plan
norm: la care health plan
Domain: lacare.org
Industry: Healthcarellm

Discovered: Jan 13, 2025
Breach occurred: Oct 21, 2024 – Jan 13, 2025
Undetected for: 84 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Conduent Business Services LLC

During the incident: Conduent immediately secured its networks
Conduent launched an investigation with third-party cybersecurity experts
Conduent notified law enforcement
Conduent promptly restored their operations
Changes made: Conduent confirmed they are actively enhancing their security measures to prevent similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 months(535 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://oag.ca.gov/ecrime/databreach/reports/sb24-625951
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 2, 2026
Raw hash: f9e40c1dc4ac70b957cd7bf81c270d0cce22c0ce2ebca521e6737b6a50f32d75

Reporting entityL.A. Care Health Plan

Victim entityL.A. Care Health Plan

Incidentdiscovered Jan 13, 2025

Stated responseConduent immediately secured its networks

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov