Confirmed breach. Intrusion Jun 26, 2018, discovered Jun 26, 2018 — the first regulatory filing landed 107 days later. 2,531 individuals reported across the linked filings.
Discovery variance · Leak precedence · Materiality delta · SEC filing delay · Filing span — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.
Regulatory clocksHIPAA✓ HHS notifiedFull clock table in Litigation Timeline
HHS OCRConfirmedLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Affected (total reported)
2,531
Data types
3
Health (basic) · Government ID · Identity (basic)
Jurisdictions
1
WA
Linked filings
1
all HHS OCR
Sensitive data
identity_government
Timeline
Earliest sighting first · deep chronology in Litigation Timeline
Breach window
Jun 26, 2018
When the intrusion reportedly occurred, per the linked filings
West Sound Treatment Center reported to HHS on 2018-10-11 a Theft affecting 2531 individuals. Breached information located on Laptop. A case manager's laptop was stolen from a parked vehicle, potentially providing access to electronic medical records containing names, SSNs, addresses, DOBs, diagnoses, lab results, and medications.
Affected (this filing): 2,531
HHS notified
About this clustering
DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. Filing summaries shown in the timeline are AI-generated extracts — verify each against its linked source.