CALIFORNIAHackingHealthcareHealthcarePhishingBusiness Associate (HIPAA)Customer Data InvolvedPHIHealth (basic)Identity (basic)Financial accountMediumContained

Mojave Radiation Oncology Medical Group

bd_ed46cc5a0bf361dc · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 27, 2025

To disclose

—

Affected

4,403

Confidence

69%

Full breach record for Mojave Radiation Oncology Medical Group →2 incidents on file

Mojave Radiation Oncology Medical Group reported to HHS on 2025-06-27 a Hacking/IT Incident affecting 4403 individuals. Breached information located on Email. An employee of a business associate was targeted by an email phishing scheme, compromising clinical, demographic, and financial PHI. The entity provided credit monitoring, implemented security safeguards, and retrained staff.

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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

Jun 27, 2025

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4,403 affectedView incident

Name: Mojave Radiation Oncology Medical Group
norm: mojave radiation oncology medical
Industry: Health Care Services

Name: Mojave Radiation Oncology Medical Group
norm: mojave radiation oncology medical
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 4,403nationwide
Data types: PHIHealth (basic)Identity (basic)Financial account
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare providerBusiness associate involved
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 to the affected individuals
Implemented additional administrative, technical, and security safeguards
Retrained workforce members to better protect its PHI
Notified HHS
Notified the affected individuals
Notified the media
Provided substitute notice
Changes made: Implemented additional administrative, technical, and security safeguards
Retrained workforce members 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.

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: Jun 27, 2025
Raw hash: 5ee95622457c696b30886a30ae8c533bec38f6dc0573b0e46c9c121e5f536a7a

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Reporting entityMojave Radiation Oncology Medical Group

Victim entityMojave Radiation Oncology Medical Group

IncidentUnauthorized Access

Stated responseProvided complimentary credit monitoring services to the affected individuals

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing