MalwareHealthcareEducationHealthcareRansomwareCapture Stored DataData ExfiltratedData EncryptedSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)PHIMediumActive

Washington State University

bd_eabbaf6dfa877d01 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 21, 2024

Filed

Jul 18, 2024

To disclose

21 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for Washington State University →4 incidents on file

Washington State University (WSU) Cougar Health Services Pharmacy issued substitute notice for a third-party breach by Change Healthcare. Ransomware deployed Feb 21, 2024; data exfiltrated Feb 17-20. Affected data includes PHI, PII, and financial info. No specific patient count provided by vendor. WSU disabled connection and is monitoring vendor response.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d21 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 4 days

discovery → filing · 21 weeks / 148 days

Feb 17, 2024

Begins

Feb 21, 2024

Discovered

Jul 18, 2024

Filed

vs. sector median

+10 wks slower

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

Name: Washington State University
norm: washington state university
Domain: wsu.edu

Name: Washington State University
norm: washington state university
Domain: wsu.edu
Industry: HealthcarellmEducationllm

Discovered: Feb 21, 2024
Breach occurred: Feb 17, 2024 – Feb 20, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 17, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Data elements: Date of birthMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Change Healthcare

During the incident: The connection to Change Healthcare was disabled
WSU CHS Pharmacy has been communicating and monitoring Change Healthcare’s communications regarding the steps they were taking in response to this incident including shutting down systems and sever connectivity to prevent further impact
WSU CHS Pharmacy is implementing additional education and training regarding technical security measures
An internal review is ongoing to identify other recommended corrective actions
Changes made: Implementing additional education and training regarding technical security measures
Internal review is ongoing to identify other recommended corrective actions
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(148 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA29881.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 18, 2024
Raw hash: a5ddebddae9b1cbb08e14661587262fc90d656b238f465beee3b5bc9ac271dd5

Reporting entityWashington State University

Victim entityWashington State University

Incidentdiscovered Feb 21, 2024

Stated responseThe connection to Change Healthcare was disabled

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com