ARKANSASMalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDHighContained

Highlands Oncology Group PA

bd_a1130dfe4f547801 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Dec 22, 2023

To disclose

—

Affected

55,297

Linked

3 filings

Confidence

68%

Full breach record for Highlands Oncology Group PA →2 incidents on file

Highlands Oncology Group PA reported to HHS on 2023-12-22 a Hacking/IT Incident affecting 55,297 individuals. Breached information located on Network Server. The incident involved ransomware encrypting PHI including names, SSNs, and medical data.

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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

Dec 22, 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 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_0a83c6ebc878fd092023-12-29 · +7dVerified
Illinois State AGbd_54d50cfdf6a9b4832023-01-01 · +355dCandidate

Name: Highlands Oncology Group PA
norm: highlands oncology
Industry: Health Care Services

Name: Highlands Oncology Group PA
norm: highlands oncology
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 55,297nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified HHS

During the incident: Implemented additional system monitoring safeguards
Revised policies regarding remote access
Implemented additional technical safeguards
Notified HHS
Notified affected individuals
Notified the media
Changes made: Implemented additional system monitoring safeguards
Revised policies regarding remote access
Implemented additional technical safeguards
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 AGJan 1 · first

HHS OCR+355d · this page

Montana State AG+362d

Pattern: first filing Jan 1 (IL), last Dec 29 (MT) — a 362-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: Dec 22, 2023
Raw hash: b5c0e119ee61ec444b2f6b24f4f86a029384dca8c2e3ddf64cf18561c3df37c8

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Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHighlands Oncology Group PA

Victim entityHighlands Oncology Group PA

IncidentUnauthorized Access

Stated responseImplemented additional system monitoring safeguards

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing