WYOMINGHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedHealth (basic)Identity (basic)MediumContained

Rocky Mountain Oncology Care

bd_2a426d96a4f28154 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 24, 2025

To disclose

—

Affected

5,615

Linked

2 filings

Confidence

96%

Full breach record for Rocky Mountain Oncology Care →3 incidents on file

Rocky Mountain Oncology Care (WY) reported to HHS on 2025-10-24 a Hacking/IT Incident affecting 5,615 individuals. The breach occurred at a business associate's network server. PHI exposed included clinical and demographic information. The CE notified HHS, affected individuals, and media, and offered credit monitoring. The BA implemented additional administrative, technical, and 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

Oct 24, 2025

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

Montana State AGbd_f0e2c6deff7eafce2025-10-29 · +5dVerified

Name: Rocky Mountain Oncology Care
norm: rocky mountain oncology care
Industry: Health Care Services

Name: Rocky Mountain Oncology Care
norm: rocky mountain oncology care
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 5,615nationwide
Data types: Health (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare providerBusiness associate involved
Attack vector: Unauthorized Access
Threat actor: External
Regulator citations: HHS OCR breach notification submitted

During the incident: Notified HHS
Notified affected individuals
Notified media
Provided substitute notice
Provided complimentary credit monitoring services to affected individuals
Business associate implemented additional administrative, technical, and security safeguards
Changes made: Additional administrative safeguards implemented by business associate
Additional technical safeguards implemented by business associate
Additional security safeguards implemented by business associate
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 · 2 states

View merged incident ↗

HHS OCROct 24 · first · this page

Montana State AG+5d

Pattern: first filing Oct 24 (WY), last Oct 29 (MT) — a 5-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: Oct 24, 2025
Raw hash: 82ecb95bd35d91b2704802286c501d3adcf737ed647250d1c9aacb43c02ae9fe

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityRocky Mountain Oncology Care

Victim entityRocky Mountain Oncology Care

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing