OKLAHOMAHackingHealthcareHealthcarePhishingCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDMediumContained

Choctaw Nation Health Service Authority

bd_9098c4f3e191ebd7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 23, 2019

To disclose

—

Affected

550

Linked

2 filings

Confidence

68%

Full breach record for Choctaw Nation Health Service Authority →

Choctaw Nation Health Services Authority reported to HHS on 2019-08-23 a Hacking/IT Incident affecting 550 individuals. Breached information located on Email. An employee was subject to an email phishing scheme exposing PHI including names, SSNs, DOBs, diagnoses, and medications.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Aug 23, 2019

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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_8c1a2e4558db3a492019-09-27 · +35dCandidate

Name: Choctaw Nation Health Service Authority
norm: choctaw nation health service authority
Industry: Health Care Services

Name: Choctaw Nation Health Service Authority
norm: choctaw nation health service authority
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 550nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: Notified HHS
Initial access: phishing_link

During the incident: Provided complimentary credit monitoring services
Implemented additional administrative, technical, and security safeguards to better protect its PHI
Changes made: Implemented additional administrative, technical, and security safeguards to better protect its PHI
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRAug 23 · first · this page

HHS OCR+35d

Pattern: first filing Aug 23 (OK), last Sep 27 (OK) — a 35-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Aug 23, 2019
Raw hash: f103c93b9e67dabc3e9b01c7e34722733c82571cee613ebdd8ab25cb6e3d29a9

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityChoctaw Nation Health Service Authority

Victim entityChoctaw Nation Health Service Authority

IncidentUnauthorized Access

Stated responseProvided complimentary credit monitoring services

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing