MalwareHealthcareHealthcareRansomwareData ExfiltratedTargetedIdentity (basic)Government IDHealth (basic)PHIHighActive

Okanogan Behavioral HealthCare

bd_c1116ffa20f4d493 · schema v1 · pii pii-v1

Severity

High

Discovered

May 15, 2024

Filed

Aug 23, 2024

To disclose

14 weeks

Affected

15,774state residents only

Linked

2 filings

Confidence

70%

Full breach record for Okanogan Behavioral HealthCare →

Supplemental notification for Okanogan Behavioral HealthCare regarding a May 2024 ransomware incident affecting 15,774 Washington residents. The breach exposed PHI, SSNs, and IDs. Notifications were mailed starting August 23, 2024, with credit monitoring offered.

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Washington clock✗ WA AG >90d14 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 2 days

discovery → filing · 14 weeks / 100 days

May 13, 2024

Begins

May 15, 2024

Discovered

Aug 23, 2024

Filed

vs. sector median

+2 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_0f8931c417d0e2082024-08-23Verified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Okanogan Behavioral HealthCare
norm: okanogan behavioral healthcare
Industry: Healthcarellm

Discovered: May 15, 2024
Breach occurred: May 13, 2024 – May 15, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 23, 2024
Affected individuals: 15,774state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: NameSocial Security numberDriver's licence numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Office of the Attorney General

During the incident: Took steps to secure its systems
Launched an investigation with the assistance of third-party forensic experts
Notified law enforcement
Began mailing notification letters to Washington residents
Offered complimentary credit monitoring and identity theft protection services
Established a dedicated, toll-free call center
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(100 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRAug 23 · first

Washington State AGAug 23 · 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA30312.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 23, 2024
Raw hash: 019444ee2f64b6deb89b6b4184424d5ab490f089ad5a9ff9c34623acf4050cfa

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityOkanogan Behavioral HealthCare

Incidentdiscovered May 15, 2024

Stated responseTook steps to secure its systems

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com