CALIFORNIAMisuseHealthcareHealthcarePrivilege AbuseCustomer Data InvolvedPHIHealth (basic)Identity (basic)MediumContained

John Muir Physician Network

bd_5038a0ec4d8fe4b6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 24, 2021

To disclose

—

Affected

1,081

Confidence

68%

Full breach record for John Muir Physician Network →2 incidents on file

John Muir Physician Network reported to HHS on 2021-06-24 a Unauthorized Access/Disclosure affecting 1081 individuals. Breached information located on Email. An employee impermissibly provided access to an Excel file containing ePHI including names, diagnoses, and health insurance information.

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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 24, 2021

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.Confirmed1,081 affectedView incident

Name: John Muir Physician Network
norm: john muir physician network
Industry: Health Care Services

Name: John Muir Physician Network
norm: john muir physician network
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 1,081nationwide
Data types: PHIHealth (basic)Identity (basic)
HHS breach type: Unauthorized access or disclosure
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: Internal
Regulator citations: Notified HHS
Initial access: insider_action

During the incident: Sanctioned the responsible employee
Implemented additional administrative and technical safeguards to protect its sensitive data
Notified HHS
Notified affected individuals
Notified the media
Provided substitute notice on its website
Changes made: Implemented additional administrative and technical safeguards to protect its 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.

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 24, 2021
Raw hash: 5519b5cb75b5b89c1a3554c37691e7fc62544bdaa6441d21ef54eb718f9eeb69

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Reporting entityJohn Muir Physician Network

Victim entityJohn Muir Physician Network

IncidentUnauthorized Access

Stated responseSanctioned the responsible employee

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing