ARIZONAMalwareHealthcareHealthcarePHIHealth (basic)Government IDIdentity (basic)HighContained

Mountain Valley Regional Rehabilitation Hospital

bd_6e8d4b4e42e9a79f · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Mar 29, 2024

To disclose

—

Affected

5,963

Linked

3 filings

Confidence

69%

Full breach record for Mountain Valley Regional Rehabilitation Hospital →2 incidents on file

Mountain Valley Regional Rehabilitation Hospital reported to HHS on 2024-03-29 a Hacking/IT Incident affecting 5963 individuals. Breached information located on Network Server. The incident involved ransomware encrypting PHI including names, DOB, SSN, driver's license, addresses, claims, medications, and diagnoses. The entity offered credit monitoring and implemented security safeguards.

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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

Mar 29, 2024

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_b128773805fe64d42024-03-29Candidate
Illinois State AGbd_b7f177e25dca73202024-03-01 · +28dVerified by operator

Name: Mountain Valley Regional Rehabilitation Hospital
norm: mountain valley regional rehabilitation hospital
Industry: Health Care Services

Name: Mountain Valley Regional Rehabilitation Hospital
norm: mountain valley regional rehabilitation hospital
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 5,963nationwide
Data types: PHIHealth (basic)Government IDIdentity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare providerBusiness associate involved
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified HHS

During the incident: Offered free credit monitoring
Implemented additional administrative, technical, and security safeguards
Staff were retrained in its requirements to protect and secure PHI
Changes made: Implemented additional administrative, technical, and security safeguards
Staff were retrained in its requirements to protect and secure 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 · 3 filings · 3 states

View merged incident ↗

Illinois State AGMar 1 · first

Montana State AG+28d

HHS OCR+28d · this page

Pattern: first filing Mar 1 (IL), last Mar 29 (AZ) — a 28-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: Mar 29, 2024
Raw hash: 5bd12843ef0000c63f4aa4f39718cadf1998bed8fc60ee17e85295e805d9fc1e

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Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMountain Valley Regional Rehabilitation Hospital

Victim entityMountain Valley Regional Rehabilitation Hospital

IncidentUnauthorized Access

Stated responseOffered free credit monitoring

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing