OKLAHOMAMalwareHealthcareHealthcareRansomwareData EncryptedRansom DemandedCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDFinancialHighResolved

McAlester Regional Health Center

bd_6e23414cd2763750 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Aug 21, 2023

To disclose

—

Affected

37,731

Linked

7 filings

Confidence

97%

Full breach record for McAlester Regional Health Center →

McAlester Regional Health Center (OK) reported to HHS on 2023-08-21 a ransomware attack affecting 37,731 individuals. Breached PHI located on a network server included names, Social Security numbers, financial information, and treatment information. The CE notified HHS, affected individuals, and the media, and implemented additional administrative and technical safeguards. OCR provided technical assistance.

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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 21, 2023

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 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitekarakurtbd_72ed3abe8b59b82d2023-07-28 · +24dVerified

Regulatory filings (5) · sorted by filing gap

Maine State AGbd_00762f4dda0869482023-11-15 · +86dVerified by operator
Vermont State AGbd_6751323e8c15cad42023-11-15 · +86dVerified by operator
Montana State AGbd_bd461962ac34b82e2023-11-15 · +86dVerified by operator
Massachusetts State AGbd_f831e61cf6da1edf2023-11-15 · +86dVerified by operator

Show 1 more filing ↓up to 92d gap

New Hampshire State AGbd_53dcc179f39114342023-11-21 · +92dVerified by operator

Name: McAlester Regional Health Center
norm: mcalester regional health center
Domain: mcalesterregional.com
Industry: Health Care Services

Name: McAlester Regional Health Center
norm: mcalester regional health center
Domain: mcalesterregional.com
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 37,731nationwide
Data types: PHIHealth (basic)Identity (basic)Government IDFinancial
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified HHSOCR provided technical assistance regarding the HIPAA Rules

During the incident: Notified HHS
Notified affected individuals
Notified the media
Provided substitute notice on its website
Changes made: Implemented additional administrative and technical safeguards to better protect sensitive data
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 · 6 filings · 6 states

View merged incident ↗

HHS OCRAug 21 · first · this page

Maine State AG+86d

Vermont State AG+86d

Montana State AG+86d

Massachusetts State AG+86d

New Hampshire State AG+92d

Pattern: first filing Aug 21 (OK), last Nov 21 (NH) — a 92-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 21, 2023
Raw hash: c8f3022def6f155a6de25d51ac671fbc32d1bdac1efe9a71ef308331d9399117

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

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Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityMcAlester Regional Health Center

Victim entityMcAlester Regional Health Center

IncidentRansomware

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing