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TriWest Healthcare Alliance

triwesthealthcarealliance.com

CONFIRMED

State of California Department of Justice data breach disclosure notice filed by TriWest Healthcare Alliance.

Observable Status CONFIRMED

Industry / Sector Technology & Commercial

Incident Classification Network Intrusion & Data Exfiltration

Attributed Threat Actor Unattributed / Unknown

Affected Population Scope Under Audit

First Seen 2026-07-02

Last Updated 2026-07-02

Compromised Data Classes:

Authentication Credentials

Statutory Regulatory Filings:

California Department of Justice: SB-24 Data Breach Notice

OPEN WEIGHTS TELEMETRY • DETERMINISTIC CONFIDENCE

Confidence & Source Corroboration

84% CONFIDENCE

1. Primary Authority CONFIRMED BY REGULATOR Base weight: 65%

2. Evidence Specificity +19% Statutory Filing Verified

3. Corroboration Curve +0% 1 independent domain

4. Timeline & Staleness +0% 1 milestone logged

Corroborated Source Domains:

oag.ca.gov

STATUTORY REGULATORY DISCLOSURES

Official Regulatory Filings & Legal Compliance Records

1 Verified Statutory Filing

Regulatory Ground Truth Standard: The disclosures below represent formal statutory filings and enforcement records submitted to government regulatory authorities (SEC, State Attorneys General, HHS OCR, FTC, FCC, EU/UK DPAs). In accordance with repository principles, this data is captured exactly as filed by the reporting entity and is never modified, overridden, or synthesized by AI models.

California Department of Justice

SB-24 Data Breach Notice

CONFIRMED BY REGULATOR

Docket / Accession ID Statutory Public Notice

Statutory Filing Date 2026-07-02

Disclosed Impact Scope Under Audit

Evidence Standard Regulatory Ground Truth

Statutory Filing Details & Summary (Preserved As Filed):

Official statutory data breach notification submitted by TriWest Healthcare Alliance to the California Department of Justice under California Civil Code § 1798.82 (SB-24), disclosing unauthorized access to personal identifiable information of California residents.

View Official Regulatory Filing Document https://oag.ca.gov/ecrime/databreach/reports/sb24-625860

Technical Forensic Briefing

Incident Overview

TriWest Healthcare Alliance, within its operating sector, has been subject to a cybersecurity incident. Ground-truth telemetry indicates the threat activity is currently unconfirmed or under forensic attribution.

State of California Department of Justice data breach disclosure notice filed by TriWest Healthcare Alliance.

Compromised Assets & Data Scope

The specific volume of affected customer or organizational records remains under active forensic investigation. Primary affected online infrastructure and perimeter domains include triwesthealthcarealliance.com.

Specific classes of compromised records, credentials, or proprietary information continue to be audited through ongoing forensic investigation.

Statutory Disclosures & Compliance

California Department of Justice Filing: SB-24 Data Breach Notice (2026-07-02) - Filing Link

Milestone Timeline (1 events logged)

2026-07-02 17:00 UTC

CONFIRMED BY REGULATOR

California Attorney General Data Breach Notice (SB-24)

Source: California Attorney General Data Breach Notice (SB-24)

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