HackingHealthcareProfessional ServicesHealthcareStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedPIIPHIIdentity (basic)Health (basic)LowContained

Conifer Value-Based Care, LLC

bd_10ad2949857a58d7 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 28, 2025

Filed

Dec 18, 2025

To disclose

16 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Conifer Value-Based Care, LLC →4 incidents on file

Conifer Value-Based Care, LLC reported that an unauthorized third party gained access to an employee's Microsoft Office 365 business email account on August 28-29, 2025. The incident involved personal information of patients and guarantors, potentially including names, addresses, and health-related data, but excluded SSNs, financial accounts, and passwords. Conifer contained the threat, launched an investigation, and notified affected healthcare providers and plans. No misuse of information was reported.

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Incident timeline

discovery → filing · 16 weeks / 112 days

Aug 28, 2025

Begins

Aug 28, 2025

Discovered

Dec 18, 2025

Filed

vs. sector median

+3 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_d0aa6ce675aa574e2025-12-18Verified

Name: Conifer Value-Based Care, LLC
norm: conifer value based care

Name: Conifer Value-Based Care, LLC
norm: conifer value based care
Industry: HealthcarellmProfessional Servicesllm

Discovered: Aug 28, 2025
Breach occurred: Aug 28, 2025 – Aug 29, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 18, 2025
Affected individuals: Not disclosed
Data types: PIIPHIIdentity (basic)Health (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took immediate steps to contain the threat
Launched an investigation
Performed a comprehensive review to identify individuals affected by the incident
Notified your provider or health plan of the incident on November 14, 2025
Worked with your provider or health plan to locate and verify addresses for potentially affected individuals
Changes made: Enhance our security controls and monitoring practices as appropriate to minimize the risk of any similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(112 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

HHS OCRDec 18 · first

California State AGDec 18 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-615985
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 18, 2025
Raw hash: 8dc5b77e2a82cd99a49268aaf159ed4facbf79b83a5ea7990ae03695e41275b2

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityConifer Value-Based Care, LLC

Victim entityConifer Value-Based Care, LLC

Incidentdiscovered Aug 28, 2025

Stated responseTook immediate steps to contain the threat

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov