AccidentalHealthcareFinancial ServicesHealthcareMisdeliverySupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)MediumResolved

Western Health Advantage

bd_74bcb80ab523a0fa · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 25, 2019

Filed

Dec 13, 2019

To disclose

7 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Western Health Advantage →

Western Health Advantage (WHA) notified members and providers of a security incident on October 25, 2019, caused by a computer system error at a contracted vendor. The error resulted in WHA files being downloaded to another company's server. Affected data included names, addresses, dates of birth, member IDs, service dates, diagnosis codes, procedure codes, provider names, NPI numbers, and Social Security Numbers. No evidence of misuse was found. WHA offered one year of free credit monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Oct 25, 2019 → Notified Dec 12, 201948d ✓ CA 60-day OK7 weeks discovery → filing

Incident timeline

undetected · 5 days

discovery → filing · 7 weeks / 49 days

Oct 20, 2019

Begins

Oct 25, 2019

Discovered

Dec 13, 2019

Filed

vs. sector median

2 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_efc133ac7105c25b2019-12-13Verified

Name: Western Health Advantage
norm: western health advantage

Name: Western Health Advantage
norm: western health advantage
Industry: HealthcarellmFinancial Servicesllm

Discovered: Oct 25, 2019
Breach occurred: Oct 20, 2019
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 12, 2019
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Third-Party / Supply Chain
Regulator citations: Filed notification with California Attorney General
Third party: via Contracted Vendor

During the incident: Informed by contracted vendor of computer system error
Vendor took steps to prevent this type of error from occurring in the future
WHA is taking steps to ensure that our vendors protect member privacy by further strengthening security controls
Offering one (1) year of free credit monitoring service
Changes made: Vendor took steps to prevent this type of error from occurring in the future
WHA is taking steps to ensure that our vendors protect member privacy by further strengthening security controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(49 days from discovery to filing)
Compliance flags: CA 60-day OK · 48d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Oct 25, 2019
→ Notified: Dec 12, 2019
48d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Oct 25, 2019 → Notified: Dec 12, 2019	48d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRDec 13 · first

California State AGDec 13 · 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/sb24-185138
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 13, 2019
Raw hash: d36662c65c895eb4c0aca2d05edc416eab0cb4e3311922d8d3196082618f9f03

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityWestern Health Advantage

Victim entityWestern Health Advantage

Incidentdiscovered Oct 25, 2019

Stated responseInformed by contracted vendor of computer system error

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov